Today I read a post on another blog entitled UPS leads the way
UPS have announced they are adding 50 hybrid vehicles to their fleet, and 4,100 low-emission conventional vehicles this year. Currently their alternative fuel fleet is 1,500 vehicles, one of the largest in the country. Alternative fuels being used by UPS include natural gas, liquefied natural gas, propane, electricity and hydrogen. The 50 hybrid vehicles will be deployed in Dallas in June and are expected to reduce the fuel consumption by 44,000 gallons over the year, and should reduce CO 2 gases released by 457 metric tons. It would be amazing to think what the effect would be if they converted their whole fleet, when you consider that they delivered 3.6 billion packages and documents in 2004 (internationally).