A glut of free credits and sluggish economic growth have made the EU’s carbon market worthless, yet some lawmakers want to give away more.

Nearly all American gasoline is blended with 10 percent ethanol.

Falling oil and gas prices are lowering the cost of living for millions of Americans.

Near-record OPEC production in April put a quick end to oil’s price rally.

Researchers are looking at ways to recycle carbon—potentially as a new fuel—to make its capture more profitable.

A top German politician in Angela Merkel’s ruling coalition had some harsh words for the proposed Nord Stream 2 pipeline.

America’s net imports of natural gas last year were lower than at any point since 1986.

Green investments have a dismal track record in generating big eco-returns per dollar spent.

Support for fracking in the UK is falling while opposition to the drilling practice grows.

Oil is more than $70 cheaper per barrel than Venezuela needs it to be to balance the national budget.