On the Move: Unpacking the Challenges and Opportunities of Electric Vehicles | Article

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<header id="page-header" class="col-md-12"> <div class="topic-tags clearfix"> <div class="type-tag"><a href="/topics/transportation">Transportation</a></div> </div> <h1 class="title">On the Move: Unpacking the Challenges and Opportunities of Electric Vehicles</h1> <h2 class="subtitle"></h2> <h4 class="byline hide" id="byline">By <span data-empty="#byline"><a href="/authors/joseph-glandorf">Joseph Glandorf</a> <a href='mailto: eesi@eesi.org'><i class='fa fa-envelope' aria-hidden='true'></i></a> </span></h4> <p class="date">November 5, 2020</p> </header>  <div id="content" class="col-md-8">  <div class="addthis_toolbox addthis_floating_style addthis_32x32_style"> <a class="addthis_button_facebook"></a> <a class="addthis_button_twitter"></a> <a class="addthis_button_linkedin"></a> <a class="addthis_button_email"></a> <a class="addthis_button_compact"></a> </div> <script type="text/javascript">var addthis_config = {"data_track_addressbar":false};</script> <script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=ra-5284f66720239dd4"></script>  <div class="content"> <div id="article-images"> <div class="slideshow-pager"></div> </div> <table align="left" border="0" cellpadding="5" cellspacing="1" style="width: 350px;"> <tbody> <tr> <td><img alt="" src="/images/content/Tesla_EV_350.jpg" style="width: 350px; height: 233px;" /></td> </tr> </tbody> </table> <p>Electric vehicles have the potential to reshape the transportation sector in the United States, drastically cutting carbon emissions and clearing the way for significant climate progress. Transportation is the highest-emitting sector in the country, <a href="https://www.epa.gov/ghgemissions/sources-greenhouse-gas-emissions">producing</a> 28 percent of all carbon (CO2) emissions in 2018. Electric cars could transform this high-emissions sector. A <a href="https://www.ucsusa.org/resources/cleaner-cars-cradle-grave">study</a> released by the Union of Concerned Scientists in 2015 shows that, in the United States, electric cars generate half or less than half of the emissions of comparable gasoline-powered cars from manufacturing to disposal.</p> <p>California Governor Gavin Newsom recently underscored the importance of electric vehicles when he <a href="https://www.gov.ca.gov/2020/09/23/governor-newsom-announces-california-will-phase-out-gasoline-powered-cars-drastically-reduce-demand-for-fossil-fuel-in-californias-fight-against-climate-change/">announced</a> on September 23 that California would require all new cars and passenger trucks sold in the state to be zero-emission vehicles by 2035. Though electric vehicles (EVs) still emit carbon emissions through the manufacturing process and from the fossil fuels used to generate the electricity they need to recharge, their enhanced energy efficiency secures significant emission reductions. On average, EVs <a href="https://www.fueleconomy.gov/feg/evtech.shtml">convert</a> over 77 percent of the electrical energy from the grid to power at the wheels, while gasoline vehicles only convert between 12 to 30 percent of the energy stored in gasoline to power at the wheels. Nevertheless, there remain significant hurdles to widespread adoption of electric vehicles, which are explored below in part 1. Congress is considering legislation that would address these hurdles, including the <em>Electric Vehicle Freedom Act, </em>and has already passed the <em>Charging Helps Agencies Realize General Efficiencies (CHARGE) </em>Act (see part 2 of this article).</p> <p><strong>Part 1: Electric Vehicle Challenges and Opportunities</strong></p> <p><strong>Charging times. </strong>There are three major “levels” of chargers <a href="https://www.caranddriver.com/news/a30031153/ev-charging-guide/">available</a> for EVs. The standard 120-volt plug, often used for home appliances, charges slowly but can fill a battery to near full capacity with several nights’ charge, or about <a href="https://chargehub.com/en/electric-car-charging-guide.html">20</a> to <a href="https://www.jdpower.com/cars/shopping-guides/how-long-does-it-take-to-charge-an-electric-car">40 hours</a>. The 240-volt "level two” chargers generally provide 20 to 25 miles of charge in an hour, which shortens charging time to eight hours or less. In homes, level two chargers can use the same outlet type required for clothes dryers or electric ovens. In the EV industry, the connectors used for level two charging are <a href="https://chargehub.com/en/electric-car-charging-guide.html">known as</a> SAE J1772. Finally, "level 3" direct current (DC) fast chargers can charge a battery up to 80 percent in 30 minutes. Currently, level two chargers are the most widely available—the Department of Energy <a href="https://www.caranddriver.com/news/a30031153/ev-charging-guide/">lists</a> 22,816 public stations in the United States. There are important cost differences between charger types. According to a <a href="https://rmi.org/insight/reducing-ev-charging-infrastructure-costs/">study</a> by the Rocky Mountain Institute, costs for a level two charger’s components range from $2,500 to $7,210 and from $20,000 to $35,800 for a DC fast charger. The decision of which stations to install requires balancing the cost of installation with the needs and convenience of drivers.</p> <p><strong>Charger compatibility. </strong>Level two charger development has been a relatively coordinated process, with all automakers besides Tesla using the same charge port model (with Tesla drivers using an adapter to connect). <a href="https://www.eei.org/issuesandpolicy/electrictransportation/Documents/Final%20Joint%20Interoperability%20Paper.pdf">Three different varieties</a> of DC fast chargers are used by different auto manufacturers: the SAE Combined Charging System (CCS), used by most manufacturers; CHAdeMO, used by Nissan and Mitsubishi; and the Tesla Supercharger (only available to Tesla drivers). This lack of vehicle compatibility differs from universal vehicle access to gas stations and could be an obstacle to widespread electric car adoption.</p> <p><strong>Availability of charging infrastructure. </strong>Rather than being refueled at a typical gas station, electric vehicles must be charged at electrical outlets in order to run. Many EV owners <a href="https://www.consumerreports.org/hybrids-evs/how-to-charge-electric-car-at-home/">charge </a>their cars at home in their garage using a special wall-mounted charger. This arrangement works for most people, because the average person drives 29 miles per day. This distance is well within the <a href="https://www.cnet.com/roadshow/news/every-electric-car-ev-range-audi-chevy-tesla/">range</a> of today’s electric vehicles, most of which can travel between 150 and 250 miles on a charge, depending on the model. However, two major difficulties arise. First, for drivers who live in apartments, parking garages are rarely equipped with charging infrastructure, and installing such infrastructure may be cost prohibitive for building managers. There is also the additional problem of the electric costs incurred at <a href="https://evercharge.net/blog/solving-the-electric-car-charger-problem/">common outlets</a>. Because regular EV charging consumes more energy than most other residential uses, building managers need a mechanism to monitor EV charging to ensure the driver of each vehicle pays for their own electricity usage.</p> <p>Second, expanded charging infrastructure is needed for EVs to make long-distance trips that require multiple stops for charging. A recent study by the International Council on Clean Transportation <a href="https://www.governing.com/next/Lack-of-Electric-Vehicle-Charging-Stations-a-Growing-Concern.html">indicated</a> that 10,000 more charging stations will be required to support EVs traveling on inter-city corridors by 2025, based on trends of increasing EV ownership. When it comes to longer trips, EV owners can experience “range anxiety,” the fear that the car will run out of power before reaching a suitable charging station. Surveys show that concerns about range and charging availability are an important limit on consumer uptake of EVs. A 2018 <a href="https://www.pewtrusts.org/en/research-and-analysis/blogs/stateline/2020/01/02/got-an-electric-car-great-where-do-you-plug-it-in">report</a> by the Harris polling firm found that 58 percent of respondents named “running out of power” as their top reason for not purchasing an EV, and 49 percent named “low availability of charging stations.”</p> <p><strong>Renewable energy and climate mitigation</strong>. While not a hurdle to widespread EV adoption in and of itself, the electrical grid’s continued reliance on fossil fuels can reduce the cost-effectiveness of EV adoption as an emissions abatement strategy. Despite reducing emissions even when connected to a fossil-powered grid, electric vehicles are a much more cost-effective emission reduction tool when renewable energy sources make up a greater proportion of the energy mix. According to the <a href="https://www.ipcc.ch/site/assets/uploads/2018/02/ipcc_wg3_ar5_chapter8.pdf">Intergovernmental Panel on Climate Change</a> (IPCC), on a relatively high-carbon grid (which produces 500–600 grams of CO2 equivalent emissions per kilowatt-hour of power generation), light-duty electric vehicles can cost “many hundreds of dollars” per ton of CO2 abated. However, in a relatively low-carbon grid (which emits below 200 grams of CO2 equivalent per kilowatt-hour), EVs cost below $200 per ton of abatement. Maximizing the use of renewable energy to power electric vehicles is therefore crucial.</p> <p><strong>Grid capacity. </strong>Trading out a national fleet of gasoline-powered cars and trucks for a fleet of EVs means that millions of people will depend on the electric grid in new ways. Therefore, power generation capacity will need to increase to accommodate these vehicles without straining the grid. Expert assessments vary on how much electricity demand will increase with widespread EV use. The Department of Energy <a href="https://www.wecc.org/Administrative/NREL%20elec%20tranformation%20study%20with%20GHG%20comments.pdf">predicts</a> a 38 percent increase in electricity consumption by 2050, mostly due to a high penetration of electric vehicles. Researchers at the Energy Institute at the University of Texas Austin conducted a state-by-state assessment of a scenario in which all personal cars, trucks, and SUVs are converted to plug-in electric models. The study <a href="https://www.washingtonpost.com/science/electric-cars-will-challenge-state-power-grids/2020/01/24/136a2a30-32e6-11ea-a053-dc6d944ba776_story.html">finds</a> that state energy consumption would range from an increase of 17 percent in Wyoming to 55 percent in Maine. <a href="https://www.forbes.com/sites/ftodddavidson/2018/11/05/electric-vehicles-are-coming-and-new-england-and-california-better-watch-out/#6bd9184d2c41">Most states</a>’ consumption increases clustered between 20 to 30 percent. While some state grids have the available excess capacity to generate increased amounts of power with existing infrastructure under favorable assumptions for charging times, others do not. The ability of grids to handle EV charging also depends on what time of day the vehicles are plugged in. EVs have a much lower chance of overloading grids if charged at <a href="https://theconversation.com/switching-to-electric-vehicles-could-save-the-us-billions-but-timing-is-everything-106227">off-peak hours</a>, when fewer consumers are using electricity.</p> <p><strong>Vehicle costs. </strong>Electric cars generally have higher sticker prices than their gasoline-fueled counterparts, mostly because of expensive materials and processes used in <a href="https://www.erneuerbar-mobil.de/en/node/985">battery production</a>. Although these costs have <a href="https://www.marketplace.org/2019/12/03/battery-prices-falling-good-for-evs/">fallen</a> steeply over the last decade, the average <a href="https://www.thepersonal.com/blog/-/is-an-electric-car-right-for-you-">sticker price</a> on a new electric vehicle is around $30-40,000. However, electric vehicles are likely to accrue significant savings on fuel over a 15-year lifespan. According to a <a href="https://www.nrdc.org/stories/electric-vs-gas-it-cheaper-drive-ev">study</a> by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) and the Idaho National Laboratory, under baseline scenario assumptions about gas prices, electricity costs, and charging behavior, electric vehicles could save consumers anywhere between $4,500 to $12,000. The savings depend on the driver’s state of residence, with Hawaii offering the lowest savings and California the highest. Even with the savings over time, it remains important for electric vehicles to be affordable at point of purchase to compete with gasoline-powered cars.</p> <p><strong>Charging behavior. </strong>Electric vehicle charging behavior differs significantly from the refueling behaviors of cars owners with conventional internal combustion engines. According to the Department of Energy, <a href="https://www.energy.gov/eere/electricvehicles/charging-home#:~:text=Because%20residential%20charging%20is%20convenient,of%20their%20charging%20at%20home.">80 percent</a> of EV charging is done at home. However, many consumers are <a href="https://www.nytimes.com/2017/10/05/automobiles/wheels/electric-cars-charging.html">uneasy</a> about the prospect of long charging times at public stations on longer trips that exceed the range of their vehicles.</p> <p><strong>Sales outlook</strong>. According to the Department of Energy, as of 2019, electric cars <a href="https://www.energy.gov/eere/vehicles/articles/fotw-1136-june-1-2020-plug-vehicle-sales-accounted-about-2-all-light-duty">made up</a> 2.1 percent of all new light-duty vehicle sales in the United States, up from 0.7 percent in 2015. Currently, Tesla sells the largest <a href="https://qz.com/1913991/used-nissan-leafs-are-selling-better-than-tesla/">share</a> of new electric vehicles in the United States, but the Nissan Leaf makes up the largest share of used EV sales. The Edison Electric Institute <a href="https://www.eei.org/resourcesandmedia/newsroom/Pages/Press%20Releases/EEI%20Celebrates%201%20Million%20Electric%20Vehicles%20on%20U-S-%20Roads.aspx">predicts</a> that electric vehicles will make up 7 percent of all vehicles on the road by 2030, or about 18.7 million vehicles. While this growth rate is impressive, it will need to be dramatically increased if uptake is to progress fast enough to meet international climate targets.</p> <p><strong>Charging station financing and ownership. </strong>Electric vehicle charging stations are expensive to install—as mentioned above, public station component costs can <a href="https://rmi.org/insight/reducing-ev-charging-infrastructure-costs/">range</a> from as little as $2,500 for a level two charger up to $35,800 for a DC fast charger. These price ranges do not include installation costs and “soft costs,” such as navigating the permitting process, regulations, and <a href="https://www.utilitydive.com/news/utilities-charger-vendors-find-interconnection-best-practices-to-propel-ev/549593/">interconnection</a> with utilities. These costs raise the question of who pays for the construction of these stations. Currently, charging station construction is paid for primarily by <a href="https://www.nytimes.com/2019/06/22/business/energy-environment/electric-cars-charging.html">car and energy companies</a> and <a href="https://www.evconnect.com/blog/who-pays-for-electric-car-charging-stations/">business owners</a>, including the managers of parking lots and garages, shopping centers, and retailers seeking to attract EV users. Some of the largest charging station projects in the country are Volkswagen’s <a href="https://www.electrifyamerica.com/how-ev-charging-works/">Electrify</a><a href="https://www.electrifyamerica.com/how-ev-charging-works/"> America</a> program and Tesla’s station deployment. Each company is spending around $2 billion on its respective project. <a href="https://www.evgo.com/">EVgo</a>, a company that installs DC fast chargers, is currently working on a project funded by venture capital and grants from state governments and environmental programs. Historically, such large projects have tended to be unprofitable due to high upfront costs; electric car use will need to become more widespread before they can turn a profit. Several states, including California and Texas, have also allowed <a href="https://www.forbes.com/sites/constancedouris/2017/11/08/who-should-pay-for-electric-vehicle-chargers-who-should-profit/#61dc58ef4aa5">utilities</a> to invest in EV charging stations. Some state officials have expressed concern that utility participation could reduce private competition, but officials in states that have allowed it argue that it has expanded charging station infrastructure at a much faster rate.</p> <p><strong>Pricing. </strong>Unlike gas stations, where the price of fuel is set per gallon, EV charging can currently follow a number of different pricing schemes, which can lead to inconsistent pricing and sometimes high charging costs. Home charging prices are consistent rates per kilowatt-hour (kWh) <a href="https://electrek.co/2019/08/12/kwh-pricing-ev-drivers-miss-benefits/">set by utility regulators</a>. Public charging station pricing has used schemes including per-session fees, per-minute fees, and tiered pricing based on a vehicle’s max charging speed. Charging fees are often not displayed at charging stations. This inconsistency and lack of transparency are <a href="https://www.eei.org/issuesandpolicy/electrictransportation/Documents/Final%20Joint%20Interoperability%20Paper.pdf">barriers</a> to EV adoption because they can lead to frustration and negative customer experiences. Per-kWh pricing models most clearly resemble gas prices in that the price is determined per unit of energy delivered to the vehicle. EV drivers typically <a href="https://www.caranddriver.com/news/a34033803/electrify-america-to-charge-by-kwh-not-minute-in-select-states/">favor</a> this pricing model. Available pricing structures are constrained by state laws. States are increasingly moving to <a href="https://electrek.co/2019/08/12/kwh-pricing-ev-drivers-miss-benefits/">allow</a> per-kWh pricing, sometimes with a tiered pricing structure, which charges higher rates for faster charging speeds. In states like Maryland where charging stations are <a href="https://electrek.co/2019/06/20/maryland-sets-public-charge-station-rates/">operated</a> by regulated utilities, drivers pay per-kWh rates set by the utility regulator.</p> <p><strong>Part 2: Federal EV Legislation </strong></p> <p>Congress is actively working to break down barriers for EVs. A recent piece of legislation, the<em> Charging Helps Agencies Realize General Efficiencies (CHARGE) Act</em> (<a href="https://www.congress.gov/bill/116th-congress/senate-bill/2193/actions">Public Law No: 116-160</a>) became law on October 1, 2020. The bipartisan bill, originally sponsored by Rep. Ro Khanna (D-Calif.) with Rep. Anthony Gonzalez (R-Ohio) in the House and Sen. Gary Peters (D-Mich.) with Sen. Rob Portman (R-Ohio) in the Senate, allows federal employees to use Fleet Service Cards provided by the General Services Administration (GSA) to pay for charging at public electric vehicle charging stations. Fleet Service Cards provide for the refueling of government vehicles, but currently only cover gas station refueling. This means that federal employees who own EVs are unable to take advantage of the card and must shoulder higher costs. The Act aims to facilitate more widespread use of EVs by federal employees by removing this obstacle to charging availability. It also lowers fuel costs for federal agencies by taking advantage of the energy efficiency of EVs.</p> <p>Another recent piece of legislation looks towards a more comprehensive expansion of EVs. The <em>Electric Vehicle Freedom Act</em>, or EV Freedom Act (<a href="https://www.congress.gov/bill/116th-congress/house-bill/5770/text">H.R. 5770</a>), proposed in February by Rep. Andy Levin (D-Mich.), intends to construct electric vehicle supply equipment along all public roads in the National Highway System within five years so that EV drivers can travel anywhere on these roads in the continental United States, Alaska, Hawaii, and Puerto Rico without running out of charge. Specifically, the electric vehicle supply equipment would be level three DC fast chargers. The charging stations must be compatible with multiple brands of electric vehicle so as not to favor any individual manufacturer.</p> <p>The EV Freedom Act’s primary aim is to eliminate range anxiety on long-distance trips, and therefore address one of the major concerns of would-be EV drivers. By mandating the use of DC fast chargers, the bill also intends to eliminate inconvenience to drivers as much as possible, allowing drivers to fill 80 percent of the car battery in about half an hour. As of mid-2020, <a href="https://www.caranddriver.com/news/a30031153/ev-charging-guide/">according to the Department of Energy</a>, only 3,653 publicly available fast-charging stations were operating in the United States, so this bill would constitute a dramatic expansion.</p> <p>Given the high costs of producing and installing DC fast charging stations, the cost of the project would likely be steep. In the trade-off between cost and driver convenience, the bill leans heavily toward convenience. However, the bill cannot fully eliminate the inconveniences associated with EV charging, since even a half-hour charging time takes longer than a visit to a gas station. Driver adaptation will still be necessary. Further, there may be long <a href="https://www.nytimes.com/2019/06/22/business/energy-environment/electric-cars-charging.html">waiting times</a> at charging stations if EVs reach high market penetration. The bill attempts to address this concern by explicitly mandating consideration of “dense corridors where multiple stations or a greater number of charging ports at the location are necessary” to meet demand.</p> <p>The bill’s concern for standardization of DC fast-charging stations would also remedy the current problems of interoperability between car manufacturers. Setting this DC standard would require coordination between manufacturers, but the bill provides for extensive consultations with them and other stakeholders.</p> <p>The bill would direct the Secretary of Energy and Secretary of Transportation to convene and create a national electric vehicle supply equipment plan within three years of its passage, in consultation with government entities, Native American nations, nonprofit organizations, and businesses. The plan would then be presented to Congressional committees with jurisdiction over transportation, energy, and environment. The plan would consider ways to optimize EV connectivity with renewable energy infrastructure, thus lowering the CO2 abatement costs of EV use. It also calls for “electric distribution upgrades,” so that grids are able to handle energy demand at peak charging times.</p> <p>To conduct a study of suitable financial instruments and public-private partnership arrangements, the bill would commission a study by the Transportation Research Board of the National Academy of Sciences. According to Rep. Levin during a recent webinar hosted by the <a href="http://elpc.org/">Environmental Law and Policy Center</a>, the study would aim to find ways to maximize direct investment from the private sector. Private businesses, such as retailers, would operate the charging stations instead of regulated utilities. However, public-private collaborations of this kind <a href="https://electrek.co/2020/02/09/electric-vehicle-freedom-act-risks-ionity-style-sticker-shock-in-usa/">risk</a> distributing costs disproportionately to the public by requiring the government put up a higher initial investment than the private sector, so the details of the financing plan are crucial.</p> <p>The legislation calls for a plan to impose “pricing guidelines that enable operators of publicly available electric vehicle supply equipment (EVSE), namely charging stations, to allow free charging or impose a fee for charging, promoting a consistent, reliable consumer charging and payment experience.” This addresses concerns over inconsistent or unreasonably high charging prices, but leaves the response to those concerns an open question without favoring specific tools to keep prices low, such as regulated utility rates or per-kWh pricing.</p> <p>Electric vehicles have great potential to draw down carbon emissions if widely adopted. Vehicle costs are falling as battery prices have <a href="https://www.marketplace.org/2019/12/03/battery-prices-falling-good-for-evs/">decreased</a> 87 percent in the last decade, and EV <a href="https://www.eei.org/resourcesandmedia/newsroom/Pages/Press%20Releases/EEI%20Celebrates%201%20Million%20Electric%20Vehicles%20on%20U-S-%20Roads.aspx">sales</a> are increasing at a rapid rate. But, meaningful emissions mitigation through mainstream EV adoption is inhibited by many complex technological, economic, and behavioral problems and trade-offs, and policy responses are needed to address these challenges. The CHARGE Act is a promising first step and the EV Freedom Act provides possible next steps. 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On the Move: Unpacking the Challenges and Opportunities of Electric Vehicles | Article | EESI