evidence: Transportation—including cars, trucks, and buses—is a major contributor to air pollution in the region, and is also the biggest source of global warming emissions in these states. Newer technologies like electric vehicles can dramatically reduce these dangerous local emissions. Moving to a cleaner transportation system isn’t just critical to reaching state climate goals; it will also help residents breathe easier and live healthier lives in the long term. "This study confirms the need to transition to cleaner forms of transportation, especially electric cars, buses and trucks and public transit," said Ken Kimmell, president of UCS, who served on Massachusetts Governor Baker’s Future of Transportation Commission. "While this transition will require significant investment, there will be a tremendous benefit in the form of improved public health, especially for our most vulnerable residents." The UCS study examined the impacts of pollution from on-road vehicles in Connecticut, the District of Columbia, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont and Virginia. The analysis is also available in Spanish.