MotorTrend on MSN

Porsche's Six-Stroke Engine Could Kill Four-Stroke Designs

The German automaker sees your four-stroke engine and raises you... two more strokes. Ready for some math? Porsche just ...
MotorTrend on MSN

Best of Both Worlds: Are You Ready for a Six-Stroke Car Engine?

Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines.
SlashGear

What's The Most Efficient 4-Stroke Diesel Engine Ever Built & What Does It Power?

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...
SlashGear

Porsche's 6-Stroke Engine: All The Game-Changing Details From The Patent

When I went to school for engine repair in the 1980s, we studied the differences between two- and four-stroke engine cycles extensively. If you're not familiar with engine strokes, understanding the ...