DETROIT - A new type of high-performance fuel injector starting to appear on European cars could play a big role in helping diesel engines meet stringent U.S. emissions. It's the piezo injector, a ...

Suppliers of diesel fuel injectors are fighting a technology battle to win new business as tougher European Union emissions rules take effect before the end of the decade. German suppliers Robert ...

Suppliers of diesel fuel injectors are fighting a technology battle to win new business as tougher European Union emissions rules take effect before the end of the decade. German suppliers Robert ...