I think using waste oils as fuel makes sense. We do waste a huge amount of vegetable oil in this country and using that as a fuel source strikes me as fine.
The subconscious mind is probably the most important factor in being a good golfer. It keeps distractions on the course from ruining a good round. You should practice, develop your swing, and do most of your thinking on the practice tee so that when you play in competition, you can hit the ball automatically.