Pretty much everything in America, at some point (and often multiple points) hitches a ride on a tractor trailer of some sort. It doesn't matter if it is locally grown organic produce or the latest and greatest Chinese-built computer. By the time it has arrived at your home, it's probably been on one of these big, smelly beasts.

Improving the fuel efficiency of tractor trailers would be a big deal not just for the environment, but for our wallets as well. So we can all celebrate the latest round of funding from the Department of Energy that is going towards improving the efficiency of Class 8 trucks by 50%.

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