Internal combustion engines have largely been eclipsed by advanced propulsion systems such as jet turbines, electric drives ...

Can Entry Ignition Save Combustion Engines? New Efficient Technology! How Entry Ignition (EI) overcomes the flaws of SI, CI, and HCCI engines. Why Combustion Engines Ain't Dead Yet - • Why Gas Engines ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

We're not going to get into the whole "who made the first car" argument today. But there's not much doubt that the overall history of self-propelled vehicles goes back well beyond the Mercedes Patent ...