Consequently , gasoline has been substituted with compressed natural gas (Hass , pp 61 . In developed countries like the United States of America , a great percentage of the automobiles . Since most of the interests on alternative sources of fuels have paid a lot of attention on vehicles used for transportation , which consume nearly ? of petroleum consumption , most alternative fuels have been found not to be effective (Berinstein pp 34 ) In the United States of America , alternative fuels are designed with the citizen...











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