Porsche's six strokes include the four familiar ones: intake, compression, power, and exhaust. But it inserts an additional compression and power stroke in the middle (following the first power stroke ...

Like any good hybrid system, Honda’s focus is on maximizing fuel consumption by leveraging torque whenever possible and using ...

Pace-bowling reserves, a wealth of big run-scorers, and a captain leading from the front all contributed to WTC final journey ...

Porsche is developing a new six-stroke engine that combines the efficiency of a two-stroke engine with the durability and ...

Mazda salvaged its failed project by releasing one of its Amati models as the Millenia, offering the top trim with an engine featuring an unusual operating cycle. In the Millenia S model ...

The Atkinson cycle engine appeared first in Toyota’s 1997 Prius and was in sync with Toyota’s hybrid electric system. This was made possible because the electric motor could supplement the loss in ...

Diesel engines have gained ground on their gas-fueled counterparts in recent years thanks in part to diesel's greater efficiency and the ample torque those engines produce. Diesel engines are ...

Porsche has filed patents for an engine cycle with two combustion events for every six strokes (or three rotations of the crankshaft). They call it a 2 x 3-stroke. I’d humbly suggest it’s a 4 ...

Komatsu’s 102-ton PC900LC-11 excavator is a large workhorse designed for hefty production. Take a tour of the 543-horsepower earthmover and see it in action.

The northern lights could be visible Tuesday night and Wednesday night over the Northern Hemisphere due to a geomagnetic ...