California's waiver under the U.S. Clean Air Act, adopted by 11 other states, would require 80% of new car sales by 2035 to ...

ACCRA, GHANA — More African countries have mandated the implementation of policies backing the blending of ethanol in ...

Texas-based WM recently began tapping two of those big landfills to harness what lies beneath: gas on a big scale.

The plot thickened when Rio de Janeiro’s state police launched raids against the so-called “fuel mafia”, dismantling a racket ...