The city of Portland has come up with an unusual way to replace diesel fuel. Its going to convert waste methane from sewage into renewable natural gas. Thats right — trucks in the future could run on poop.
Diesel engines are widely used all over the world to move goods, power equipment and generate electricity. But, theyre also one of the largest contributors to environmental pollution. Studies have linked diesel emissions to cancer, cardiovascular and respiratory issues, s…Read more
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