What's the difference between LPG and CNG?
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Explanation:
CNG is Compressed Natural Gas, which is mainly methane compressed at a pressure of 200 to 248 bars. LPG is Liquefied Petroleum Gas, a mixture of propane and butane liquefied at 15 °C and a pressure of 1.7 - 7.5 bar. ... CNG is cheaper and cleaner, but LPG has a higher calorific ..
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Answer:
CNG - compressed natural gas storage has a lower energy density than LPG. ... Another difference between CNG and LPG cars is the tank pressure. LPG pressure is less than 2 MPa whilst CNG - compressed natural gas storage is 20 to 25 MPa. This means high pressure CNG tanks are heavier and more expensive than LPG tanks.
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