The DTE Energy company, which provides natural gas and electric services to Michigan customers, is going to start using biodiesel in its fleet of 800 diesel trucks and service vehicles (things like bucket trucks and light-duty vehicles). DTE will present a ceremony on Tuesday to mark the shift to the biofuel, but didn't announce the percentage of biodiesel it will be using. DTE did say that Michigan-based biodiesel supplier RKA Petroleum will provide the fuel and that the switch is the "environmental equivalent of taking about 120 of those vehicles out of service." Since "environmental equivalent" can mean a lot of things, we can't just calculate the biofuel percentage. What we do know is that even if you're providing energy to a lot of people, greening up your own supply isn't a bad idea.[Source: DTE Energy]
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