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Insight
7 min read

Transportation: the future is electric

Upending every aspect of life, the coronavirus pandemic presents new challenges to cities and states, including our transportation systems. AECOM’s Andrew Bui says that a combination of stimulus-funded infrastructure and environmental factors, including public desire to hold onto the air quality benefits of lockdown, could lead to an acceleration of electric vehicles on our roads.

Andrew Bui
Andrew Bui

In the wake of the economic disruption caused by coronavirus, policy makers are preparing recovery packages to support business and create jobs. Electrified transportation is likely to be a top contender for stimulus funding given its potential economic and environmental contributions – both now and in the future.

Prior to the pandemic, the United States Bureau of Labor Statistics estimated that the transition to electric vehicles would create over 350,000 new jobs by 2030, with many related to infrastructure. Those jobs will be needed more than ever now. Growing environmental awareness and concern about air quality are also powerful incentives towards investment.

In Los Angeles, the Transportation Electrification Partnership - a collaboration between local, regional, and state stakeholders to accelerate transportation electrification and zero emissions goods movement in advance of the 2028 Olympic and Paralympic Games - is calling for $150 billion in stimulus funding, citing economic and public health benefits.

But electric vehicles need to charge, and the requirements of building a network raises complex questions. Our utility and transportation networks were built over 50 years ago. How should they be adapted? What investment is required, and who would be willing to fund it? How do we determine where and how to place chargers?

In this article, we address these questions by looking at the drivers for an electric vehicle future and the roadmap to get there.

Electrified transportation is likely to be a top contender for stimulus funding given its potential economic and environmental contributions – both now and in the future.

A growing bedrock of support

Before coronavirus, lower costs and environmental concerns were already leading to a rising number of electric vehicles on our roadways. The International Council on Clean Transportation estimated that the number of electrified fleet vehicles in the United States rose to over two million in 2018, a 70 percent increase over the past year, and the International Energy Agency forecasts that by 2030 we’ll have 125 million electric cars on the road globally. Vehicles such as transit buses are at the forefront of this trend, where cities and states are taking the lead at converting their fleets.

Electric vehicles do not produce greenhouse gases, so widespread use reduces emissions. This is an important consideration as the transportation sector contributes 20 percent of greenhouse gases in the U.S.. Emission reduction can also help cities meet social equity and environmental goals by improving air quality in lower income neighborhoods that often house vehicle terminals.

Pushed by citizen concerns, several cities across the U.S., including Los Angeles and New York, have released “green new deals” focused on carbon reduction. As a first step, these programs center around municipal vehicle electrification, incorporating transit and school buses as well as service and fleet vehicles such as garbage trucks and police vehicles.

Transit agencies are also committing to electric transportation with nine out of ten of the country’s largest transit agencies studying or planning transitions by 2040. Actions are also being taken statewide. The California Air Resource Board has mandated that all buses purchased in the state after 2030 should be electric, and it’s expected that all municipal buses will be electric by 2040.

Another driver is cost reductions through technology advances. A significant reduction in the cost of transit vehicle batteries improved accessibility for transit and fleet operators, sparking markets for electric buses and fleet vehicles. A Carnegie Mellon University study found that battery-electric buses are cost-competitive with liquefied natural gas, compressed natural gas, and hybrid diesel buses and the American Public Transportation Association has found that total cost of ownership of electric buses are equal to diesel buses for vehicles with utilization of at least 37,000 miles/year. Additionally electric buses have lifecycle-cost advantages over internal-combustion engines because they convert energy into motion more effectively and have fewer moving parts, making them cheaper to power and maintain over time.

Technologies pushing the boundaries

Even as current charging infrastructure develops, utilities and transportation agencies are continuing to advance innovations such as solid-state batteries that enable faster charging in addition to smart systems that connect vehicles and grids, which can improve grid reliability and power management.

The industry is exploring numerous new technologies to improve energy management. Among these are: smart charging systems for fleet facilities that optimize charging patterns and minimize energy costs, peak shaving strategies that use energy storage to reduce demand charges; microgrid technology that promotes and creates resilience; and, facility power generation that offsets power needs while providing resilience. Future technology may even include dynamic wireless charging that enables vehicles to charge on the roadway without even having to slow down.

Another rising technology termed ‘vehicle-to-grid’ could also generate significant revenue for transit agencies creating thousands of dollars of revenue per year. At The Navy Yard in Philadelphia, AECOM is studying how vehicle-to-grid and other emerging electrification [BA5] technologies could be integrated into the district’s emerging and growing micro-grid.

Preparing today for an electric tomorrow

The infrastructure requirements of electric vehicles affect energy and transportation networks and require careful consideration. For a successful roll-out, three areas merit attention: collaboration, energy networks and charging infrastructure.

1) Collaboration

For fleet managers and businesses that operate large-scale vehicle operations, a private charging network might be possible, but if individual electric car ownership is going to take off, a comprehensive charging network will be required. For that to happen, states, cities, utilities and transportation agencies need to collaborate. The responsibilities of these entities overlap in terms of their mission to improve our communities and provide public health resources. Working together these entities can develop transportation electrification strategies and prioritize public fleet conversion, infrastructure modernization, charging infrastructure planning, utility policies, rates and incentives, and energy distribution capability upgrades.

2) Energy networks

Increased electric vehicle adoption will place greater demands on electric grids – and carbon credentials will come into question. Studying and modeling electrification impacts on grid assets can help authorities, agencies and other interested parties collaborate and make data-driven decisions on charging infrastructure and locations, capital improvements as well as other future needs.

Managing the energy grid wisely will be increasingly important as the number of electric vehicles grows. Utilities are adapting their policies to accelerate adoption of electric vehicles by providing subsidies and in some areas, specific rates for charging. They are also trying to balance those efforts with the demand on their grid as well as their ability to support that demand.

On the flipside, electric vehicles could help utilities manage their load better, particularly given the increase in wind and solar energy generation whose power supply can be irregular. We’ve already seen major investments that manage this in the form of batteries that can store this energy for a few hours. Transportation electrification could also improve business models through an influx of new and increased electricity demand. This is a dramatic change for an industry that has seen energy needs decline over the past decade, and will encourage investments in modernization and improvements to antiquated systems, which in turn would reduce operating and maintenance costs.

3) Charging network

As electric car ownership grows, so will the need for a comprehensive public charging network. While at-home and workplace charging will play large roles in enabling infrastructure, the ability to charge on the go is another important part of the equation, particularly for larger vehicles and along longer routes and highways. Stimulus funding can help municipalities and utility operators add chargers and charger infrastructure at publicly-owned areas such as parking structures or airports that can, in turn, serve as linchpins for new revenue streams.

Adopting the gas station model can also support this capability. AECOM is assisting Shell Oil Company as it adds fast chargers to each of its gas stations in the Netherlands. These stations will enable drivers to charge their vehicles, pay, and drive off, reinforcing easy access to ‘fuel’ for their vehicles.

So how long will this really take?

Over the past decade we’ve seen electric cars go from novelty to normal. Transit agencies are starting to make similar transitions. Transit vehicle conversion will occur gradually as buses have a 10- to 15-year useful life and transit agencies replace roughly 15 percent of buses annually. Agencies are using this lead-time to plan, particularly considering charging methods even as they work with utilities to negotiate electricity rates, but many agencies nationally have committed to being fully electric by 2040.

As with personal cars, fueling is a significant part of electric bus and fleet vehicle planning. Transit agencies have myriad charging options including catenary wires for rapid charging on-route layovers, slow charging at bus depots, or pads embedded at bus stops that enable charging while passengers board or exit at stops or at bus depots. Selections will vary, based on energy needs related to such factors as usage, energy tariffs, route and route elevation and climate changes. While agencies will be challenged to balance charging options with operational needs and costs, those working with utility and private partners will also find opportunities to develop public-private partnership projects that can accelerate adoption.

In short, developing a comprehensive charging network is a complex and costly affair, and advancement will come in patches, likely led by fleet vehicle planning. Growing demand is likely to fuel investment, which in turn will usher in a better quality of life for communities across the United States.

Case studies

Roseville, California

The city of Roseville, California, is working to deliver an efficient electrified future. Roseville manages and operates its own power distribution and transportation system. In collaboration with AECOM, officials there created a utility roadmap, forecasting charging loads and supporting charging infrastructure planning and development. The city-specific study evaluated growing demand for electric vehicle charging, potential local utility impacts while forecasting electrified vehicle numbers and locations to determine business strategies and operational plans to address charging needs.

John F Kennedy International Airport, New york

At New York City’s John F Kennedy International Airport, AECOM is working with the New York Power Authority, providing program management and procurement services as well as constructability and design review as the power authority installs fully functioning electric vehicle charging stations and infrastructure at the JetBlue Terminal 5. The project will enable charging while vehicles are parked.

Los Angeles, California

AECOM is leading efforts with the Los Angeles Department of Transportation (LADOT) to plan and design four of their bus facility retrofits to accommodate more than 500 new electric buses that are slated to begin conversion in 2021. Working closely with LADOT and the Los Angeles Department of Water and Power (LADWP) we are designing charging infrastructure for the buses, coordinating the facilities’ integration and developing smart solutions to reduce costs of fleet infrastructure conversion. Each facility anticipates about eight megawatts of new demand and will require coordination, collaboration, and innovation to develop an effective electric transit ecosystem.

William Haas, Steven Hall, Suzanne Murtha and Veronica Siranosian contributed to this article.

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