Natural gas, on the other hand, can only move through pipelines unless it’s liquified. The U.S. has the largest network of energy pipelines in the world at 2.4 million miles. Natural gas emits 20% less carbon dioxide when burned than oil and 40% less than coal, making it the cleanest burning fossil fuel. Because of that,… Continue reading 11 Things to Know Before Investing in Natural Gas The Motley Fool