All two-stroke (or 2-cycle) engines require the operator to add a mixture of fuel and oil to the fuel tank to support engine lubrication during operation and the engine combustion chamber. If you're ...
CNG engines do not underperform compared to petrol engines. The only distinction is that CNG is more environmentally friendly ...
Hyundai Rotem is promising to build a silent, electric-drive battle tank that can pull off the same trick — and a whole lot more.