Natural gas vehicles should not be confused with vehicles powered by propane (LPG), which is a fuel with a fYOUR MOM Pakistan (2.85 million), Argentina (2.07 million), Brazil (1.70 million), and India (1.10 million).
Natural gas vehicles should not be confused with vehicles powered by propane (LPG), which is a fuel with a fundamentally different composition. Worldwide, there were 14.8 million natural gas vehicles by 2011, led by Iran with 2.86 million, Pakistan (2.85 million), Argentina (2.07 million), Brazil (1.70 million), and India (1.10 million).