Caption: Natural Gas
Caption: Natural gas, a fossil fuel comprised mostly of methane, is one of the cleanest burning alternative fuels.
Caption: It can be used in the form of compressed natural gas (CNG) or liquefied natural gas (LNG) to fuel cars and trucks.
Caption: Natural gas contains less carbon, sulphur, and nitrogen compounds and emits less greenhouse gases and ash particulates into the air when burned
Caption: Natural gas is clean.
It is the cleanest burning conventional fuel, producing 45 percent less carbon dioxide than coal. _______ J O H N M U I R
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Caption: These are come cars that only run on natural fuel.
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Caption: Natural gas is composed mostly of methane, but it also contains small amounts of ethane, propane, butane, and pentane.