Cars and Global Warming
U.S. autos emit more than 333 million tons of carbon dioxide each year, more than one-fifth of the nation's total carbon dioxide emissions.
Any serious effort to fight global warming must include cutting auto emissions.
Tips and Features
Cars by the Numbers
Check out our list of facts and figures on cars and global warming.
Low-Carbon Tips for Cars
Check out our list of facts and figures on cars and global warming.
Ask the Green Car Guru
Our car expert John DeCicco gives answers on cars and the environment.
Science and Technology
Greenhouse Gases From Cars
A detailed look at how American cars contribute to the global warming crisis.
Fuel Cell's Siren Song
Fuel cell technology is alluring, but we need a unifying national strategy.
Shot Heard Round the World
Five years ago, California passed a limit on pollution from cars. Now other states are following its lead.
