This New York Times article gives details of the new fuel economy standards for cars issued yesterday by the Obama administration. It also describes the history, politics, and economics of the mileage standards that car companies must adopt by 2016. The new fuel standards are 30% higher than current ones.

CITY TECH BLOG
The Impact of the Paris Climate Change Agreement in the United States
The United States, under the Obama administration, joined the Paris Agreement in 2015 and committed to reducing greenhouse gas emissions by 26-28% below 2005 levels by 2025. However, in June 2017, the Trump administration announced its intention to withdraw from the agreement (Shear). In April 2021, President Joe