The world's largest piston engine is the Wärtsilä RT-Flex96C inline-14 diesel, which generates 110,000 hp, stands 44 feet ...

You have likely heard of variable valve timing by one of the names manufacturers have for the system, such as VVT-i or VTEC.

The Mazda RX-8 is a legend thanks to its sporty build, rotary engine, and unique design, but the sales were not great when it was released.