In the race to field energy-efficient vehicles, don’t count out internal combustion technology just yet. GM recently debuted its homogeneous-charge-compression-ignition (HCCI) system in two drivable ...

Car manufacturers are delving deep into their boxes of tricks to make internal combustion engines more efficient. Infiniti unveiled a variable compression ratio engine last year, and hybrid technology ...

Mazda's hotly anticipated SKYACTIV-X Spark Controlled Compression Ignition engine has been described as the "Holy Grail" of gasoline motors—something with diesel-like fuel economy, but far lower ...

Mazda sustainability vision includes a gasoline engine ignited by compression like a diesel with fuel economy and performance that beats today's gasoline and diesel engines Mazda’s SKYACTIV-X will be ...

There is no shortage of people around the world today who seem pretty certain that the days of the internal combustion engine (ICE) as the primary form of propulsion for transportation are effectively ...

Nautilus Engineering of Wichita, Kansas, is an engineering R & D consultancy and rapid prototyping organization with close ties to Wichita State, Kansas State, and Kansas State Polytechnic ...

Electric cars, as a concept, were once not dissimilar from the flying car. Promised to be a big thing in the future, but hopelessly impractical in the here and now. However, in the last ten years, ...

Mazda Motor Corp., struggling to stay competitive in a world of electrified cars, said it would become the first automaker to commercialize a powerful, fuel-efficient gasoline engine technology that ...

Mazda has always experimented with left-field engine ideas, having pioneered the rotary engine and dabbled in Atkinson-cylcle powerplants as well. Today, Mazda announced a plan introduce ...

With gas prices hovering at their highest level since 1981, there's a lot of loose jabber about the comeback of the diesel. Diesel sales did skyrocket back then, with oil-burning Rabbits and Jettas ...