When the results and evidence were published on 2006, some independent researchers claimed that the carbon deposits are of biologic origin.
He also pointed out that there were no carbon deposits on the inside of the glass, unlike his bulb, which was filthy.
Even relatively small carbon deposits can reduce engine performance.
In which case the build-up of carbon deposits will be prevented.
Too many mothballs and your engine will load up with carbon deposits - very bad news in the performance department.
"Would somebody please explain what a midden is, and why we're looking for carbon deposits?"
Look at the layers of cratering through the heavy carbon deposits.
The rich mixture has less air to burn and some of the fuel turns into a carbon deposit.
However, as engines wear, carbon deposits can build up on the internal walls of the engine.
He picked up his pipe and jammed a finger into the bowl, digging at a carbon deposit.