Overnight Energy & Environment
Cars sold in 2013 were more fuel efficient and less polluting than federal standards required.
The Senate could this week to weaken EPA's climate rule for power plants.
Obama ordered a 40 percent reduction in federal greenhouse gas emissions.
Tuesday was the last day to submit formal comments on the EPA's ozone rule.
Kerry took a direct swipe at coal and oil and an indirect one at Florida's governor.
A pair of senators want to modernize how EPA regulates toxic chemicals.
As snow slammed the capital, one panel discussed an apt topic: the Arctic.
The White House opposes two bills on the EPA's use of scientific research.
A senator walks onto the Senate floor with a snowball. No joke.
Legislation to approve Keystone XL had a short stay at the White House Tuesday.
GOP leaders will hold a signing ceremony on Friday.
Obama said climate change directly impacts more Americans than terrorism does.
Four Senate Democrats are faulting the administration’s focus on railcar design.
House Republicans unveiled their new strategy Monday to attack the EPA.
The bill requires EPA to make public all scientific research it uses in regulating.
Tuesday is the last opportunity to file formal comments to EPA's ozone rule
The EPA's chief says climate change is putting coffee at risk.
Rep. Lamar Smith (R-Texas) says the EPA has not turned over all documents.
Keystone supporters fell five votes short of the two-thirds needed.
Keystone proponents are short of the 67 votes needed to override Obama's veto.
The GOP is mobilizing to try and override the veto.
The White House said not to expect "a lot of drama or fanfare" around the veto.
The House is sending the Keystone bill to a certain veto.
House Republicans unveiled a four-part framework to guide legislation.