AP - Triple digit temperatures smashed records across California Saturday, straining thermometers and air conditioners and prompting dozens of scattered electricity outages that left residents sizzling.
AP - It's a dream that's been pursued for years by governments, energy companies and automakers so far without success: Mass-producing affordable hydrogen-powered cars that spew just clean water from their tailpipes.
AFP - A growing number of Americans are setting up mini-refineries in their homes to produce biodiesel, a fuel made from waste cooking oil which is cleaner and cheaper than the petrol sold in gas stations.
