User blog comment:Quinnjeep/Copper Deficiency/@comment-6944125-20131211033318

No problem.

Yes, once I was better able to get Fuel produced in a more consistant manner, I upgraded both of my current quarries to 64x64, receiving MJ from 4 Combustion Engines each. For the first 20 or so levels, I collect a decent amount. Its not much, but its enough for now.