Mobile Source Standards
<p>S1. To implement the endangerment finding, on April 1, 2010, EPA finalized the first-ever
greenhouse gas emission limits for mobile sources, issued jointly with improved fuel efficiency
standards from the National Highway Traffic Safety Administration (NHTSA).2 These
requirements, which apply to all new passenger cars and light trucks for model years 2012
through 2016, reflect a historic agreement brokered by the Obama Administration with
automakers, labor leaders, environmental organizations, and California and other states</p>