Excerpt from Term Paper:

...... The impact of NCEPs suggestion for CAF will also be substantial for the fuel efficiency of new LDVs by 2015. New LDVs on average will have a higher efficiency of 6.8 miles per gallon, up 26.2 percent over current standards. Although these figures are below the projected cutoffs of the CAF increase, the current fleet of LDVs will already test at a significantly lower level than projections according to the NCEP[3]. The implications of both a lower dependence upon petroleum and the greater fuel efficiency of LDVs is that it will lower the overall CO2 emissions of the United States by a substantial level. It will reduce CO2 emissions by 79 million metric tons in 2015, and 242 million metric tons by 2025, or a 2.8 percent difference
Although the above metrics seem to show that there are many positives to the proposed increase by NCEP of CAF standards, this does not mean that there are no costs associated with such a change. The cost burden placed on consumers are substantial, an increase in the average price of new LDVs will result in an average increase of 1400 dollars per vehicle by 2015. This is a substantial cost increase,

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