Alt text:
An idling gas engine may be annoyingly loud, but that’s the price you pay for having WAY less torque available at a standstill.
Alt text:
An idling gas engine may be annoyingly loud, but that’s the price you pay for having WAY less torque available at a standstill.
IIRC it is actually mostly from algea. A small amount from some fern-like plants. By the time trees existed, they were being broken down by bacteria.