Add Yahoo as a preferred source to see more of our stories on Google. They probably weigh 10 pounds each. Multiply that by the 60 used every production day, and that’s about 70 tons of thick black ...

Despite what the industry says, factory farm gas isn’t clean, green, or renewable. Here’s what’s at stake for our communities and the climate. Despite what the industry says, factory farm gas isn’t ...

If it's going to hold on to its "greenest automaker" award from the Union of Concerned Scientists, as it has for five years, then Honda has to constantly up the environmental ante. Now the automaker ...