Whether it's the one in your lawn mower or car, all piston engines operate on the same basic principle. They use a four-step process of intake, compression, combustion, and exhaust to convert fuel to energy.
SALT LAKE CITY (ABC 4 Utah) – Criminal charges have now been filed against a man who claimed to "fix things" for the Utah Attorney General's Office. His name is Timothy Lawson. Thursday he's behind bars.