Rep. Cory Mills, R-Fla., joins ‘The Evening Edit’ to discuss Attoney General Pam Bondi’s directives and President Donald ...

One of the distinguishing features is that they don't need valves to operate. That's to say, the Wankel rotary engine design doesn't have valves -- but quite a few rotary engine designs have ...

Both pistons and valves move in and out of a space at the top of engine cylinders known as the “combustion chamber”.

Symptoms of impending failure “might” include a ticking sound in the engine, hard starting and perhaps misfire, but sudden ...