Fuel

Reuters

The 'Ruralization' of Urban Areas

The distinction between city and countryside is disappearing, creating a raft of new problems that disproportionately hurt women.

Reuters

America's Fuel Source of the Future Could Be 'Pond Scum'

Rejoice, America: Researchers say the nation is equipped to produce "serious amounts" of algae biofuel.

Reuters

How Americans Really React to High Gas Prices

A new analysis of gas prices in U.S. cities finds that even minor jumps in fuel costs send people to buses and rails