The impact of consumers all switching to hybrid or electric vehicles wouldn't have such a great effect on the world's fuel consumption problem. The largest consumer of petrol (diesel, gas, kerosene) is the military. For a two week period of exercises, a US carrier group expends the same amount of fuel as the entire population of a small town (small town 10k people) would in a year. The military does not require any form of catalytic converters on their vehicles. The second largest consumer of fuels is the heavy industry, mining and construction. If these two groups would adopt more fuel efficient vehicles it would be a step in the right direction.
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The impact of consumers all switching to hybrid or electric vehicles wouldn't have such a great effect on the world's fuel consumption problem. The largest consumer of petrol (diesel, gas, kerosene) is the military. For a two week period of exercises, a US carrier group expends the same amount of fuel as the entire population of a small town (small town 10k people) would in a year. The military does not require any form of catalytic converters on their vehicles. The second largest consumer of fuels is the heavy industry, mining and construction. If these two groups would adopt more fuel efficient vehicles it would be a step in the right direction.