they both are made using natural gas and come from either mines or out of the ground
Fossil fuels.
The three main fossil fuels are coal, oil and natural gas
Coal AND Oil
Oil, Coal, and Petroleum
The major fossil fuels are coal, oil, and natural gas.
Crude oil and coal are two examples of fossil fuels.
Coal is a fossil fuel. The major fossil fuels are natural gas, crude oil and coal.
Fossil fuels (coal, oil and natural gas).
they burn fossil fuels like coal, fuel oil, and oil shale
Coal, Oil, and natural gas.
Yes they are.
Coal, Oil and Gas.