Forbes contributors publish independent expert analyses and insights. Robert Rapier is a chemical engineer covering the energy sector. BRUSSELS, BELGIUM - JANUARY 13: Toyota Mirai hydrogen fuel cell ...

The widespread claim of a water-powered car, particularly one from Toyota, is a recurring myth and scientifically inaccurate as water is not a fuel. Toyota's recent announcement, often misconstrued, ...

Water and diesel fuel don't mix. Although all diesel grades contain a minuscule percentage of water from the refinery, moisture in the diesel tank won't cause problems until the water content reaches ...

A Monaco company has patented Cavitech fuel emulsion technology, which claims that it can slash fuel consumption by up to 10% ...