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With nearly 250 million light duty vehicles on the road, the United States has the largest vehicle fleet in the world, and annual new vehicle sales second only to China.

Despite its historical role in pioneering vehicle regulations, from the mid-1980s until very recently the U.S. lagged behind other developed nations in passenger vehicle fuel economy standards and emissions regulations (see the global PV standards update), with higher levels of CO2 emissions per mile, higher average fuel consumption, and lower average fuel economy. However, since 2009 the United States has adopted aggressive legislation that could make the country a global leader in fuel efficiency and GHG emissions control. And market demand for fuel-efficient gasoline, hybrid, and electric vehicles is growing.

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Recently Released

Heavy-duty vehicles technology potential and cost study
Cost-effectiveness and potential analysis of technologies for the reduction of fuel consumption and greenhouse gas emission of heavy-duty vehicles in the European market, in the 2020–2030 timeframe.
Consultant report
International competitiveness and the auto industry: What's the role of motor vehicle emission standards?
Reviews the political science, regulatory, and economics literature to illuminate the international competitiveness impacts of motor vehicle emission standards.
Briefing
Managing emissions from non-road vehicles
An overview of advanced non-road diesel compliance programs with examples of adopted registration or labeling systems for non-road equipment and compares compliance tools for non-road vehicles with those for heavy-duty vehicles...
Consultant report
 

News

News

From the ICCT Blogs

Germany's G20 leadership could expand international cooperation on vehicle efficiency
At the next G20 Summit in July in Hamburg, Germany can lay the groundwork to achieve substantial energy savings and environmental benefits in three important ways.
Staff Blog
Cities driving diesel out of the European car market
European governments have strong incentives to discourage diesel technology and national governments could face fines for failing to meet ambient air quality standards for NOx. As a result, several cities are moving fast to phase out diesel cars, which account for 80% of all NOx emissions from vehicles in Europe.
Staff Blog
Shell game? Debating real-world fuel consumption trends for heavy-duty vehicles in Europe
The EU is about to propose new standards to limit CO2 emissions from heavy-duty vehicles. Some manufacturers are still trying to persuade policy makers that regs aren't necessary because truck fuel-efficiency really is improving significantly on its own. Don't be fooled; on average, it isn't.
Staff Blog

The Staff

John German
John German
Senior Fellow / US Co-Lead
Nic Lutsey
Nic Lutsey
Program Director / US Co-Lead
Peter Slowik
Peter Slowik
Associate Researcher