Why are today's cars switched to using natural gas as a fuel? Due to the shortage of oil resources in the last century, most buses used coal as their main power. However, in recent years, many buses and cars have switched to CNG/LNG/LPG as fuel. Why is this? The main reason is not because of the shortage of gasoline, but to improve the environment of the city.
We know that with the development of the economy, the population of the city is increasing, and...