Lasers could replace spark plugs in cars

Lasers could replace spark plugs in cars
Baltimore (UPI) Apr 20, 2011 - After 150 years of sparking ignition in internal combustion engines, spark plugs may someday be replaced by laser igniters, Japanese researchers say. A switch to laser igniters would yield cleaner, more efficient and more economical vehicles, they say. Previously, lasers strong enough to spark the ignition of air-fuel mixtures in an engine were much too bulky to fit under a car's ... more