Transportation Resources

Strategies for recycling lithium-ion batteries will help the continued deployment of electric vehicles.

Grappling with climate change requires transforming how we power our economy, and no sector requires more fundamental change than transportation, which accounts for the largest share of US global warming pollution.

The Transportation and Climate Initiative (TCI) seeks to improve transportation, develop the clean energy economy and reduce carbon emissions from the transportation sector.

When electric vehicles start retiring, what happens to their batteries? Transportation expert Hanjiro Ambrose discusses the importance of recycling EV batteries.

We explain and compare hybrids, plug-in hybrids, battery electrics, and fuel cell electric vehicles.

Electric vehicles will be an important part of the US transportation future—especially when charged by a clean electricity grid.

A UCS poll finds GM's failure to support strong vehicle pollution standards results in a nearly one-half decline in the company’s favorability among existing GM owners.

A peer-reviewed article in the Journal of the Air & Waste Management Association.

Transportation expert Don Anair discusses why ride-hailing is a problem for the climate, and what we can do about it.

Ride-hailing services are increasing carbon pollution. What can be done?

Ride-hailing is an attractive option for many travelers, and can increase mobility for households who lack a private vehicle. Yet in communities across the country, ride-hailing is increasing vehicle travel, climate pollution, and congestion.

Do you know what the emissions impacts are when taking an Uber or Lyft? What about when you make it a shared or pool ride? UCS went to the streets to ask these exact questions.