In nature there is no such thing as waste. In nature nothing is wasted; everything is recycled.
David SuzukiJust as fossil fuels from conventional sources are finite and are becoming depleted, those from difficult sources will also run out. If we put all our energy and resources into continued fossil fuel extraction, we will have lost an opportunity to have invested in renewable energy.
David SuzukiLess than 10% of the fuel energy burned in automobiles is translated into forward motion of the vehicle and even then most of this energy is needed to move the vehicle itself, which typically weighs 20 times more than its passengers.
David Suzuki