Any recyclables that lessens our dependence on oil has got to be climate changing. Solar needs far more R&D to take full advantage of a valuable renewable. Friction generated steam may have outcomes for automobile power. The abundance of oil has stagnated the search for other sources of energy. Machinery that only needs electricity for start up, then generates it,s own ongoing power supply. The future has an exciting feel about it. The world needs to update, and have another industrial revolution, without oil and coal.