US4606322 Dual fuel control and supply system for internal combustion engines
Cited prior art · Harvey M. Reid, Neil R. Poletti and 2 more · United States · 1986
receive a combustible alternative fuel (e.g. a 52 U.S. Cl. .................................... 123/575; 123/458; gas such as CNG or LPG) under pressure and deliver 123/494; 123/514; 251/129.09