Billionaire Tom Steyer said it's "unfair" to say Keystone would define Obama's climate legacy.
The American Farm Bureau Federation’s president called the rule “the biggest federal land grab — in terms of power over land use — that we’ve seen to date.”
Cellulosic biofuel producers made just over 800,000 gallons of the fuels in 2013, compared with the 6 million gallons the Environmental Protection Agency expected.
The administration is sending a team of experts to help Ukraine resolve its immediate and long-term energy demands.
A group supporting renewable fuels is launching an ad campaign accusing the oil industry of “rigging the system” to stifle competition from renewable fuels.
McCarthy said she has no "gut instinct' on whether Keystone will be approved.
The White House Office of Management and Budget (OMB) approved a rule Monday to further restrict the amount of coal dust to which miners can be exposed.
Gallup finds that 39 percent of adults are "concerned believers" in warming.
EPA head Gina McCarthy said combatting climate change is the agency's No. 1 priority.
The administration is expected to delay a decision until after the midterm elections.