Biofuels & biodiesel
Recently, have become a trending theme worldwide. The development of human civilization is limited by energy and environment. Our predominant energy source is our , which is limited and environmentally risk. A great effort must be emphasized to invent the solution for these problems. When are made from the plant that is buried million years ago are made from the living plants. can also be made from algae or animal waste. are environment-friendly, and they produce less carbon monoxide compared to and . Global production has increased to 74.3 million metric tons from 9.2 million metric tons.