without air, you cannot have combustion
Gas 10:1 Diesel 17:1
One runs on Compressed Natural Gas (CNG) and one runs on gasoline. With the right modifications, a single engine can run on both fuels.
diesel.Diesel engines tend to have better efficiency especially at less than full load.Gasoline/Petrol and LPG engines tend to have better power weight ratios.
no, insulators protect the wiring, or contain heat from some source or another, or block electricity from flowing