Board Thread:Questions and Answers/@comment-173.217.44.166-20130113011606/@comment-82.171.221.249-20130113132834

There are electric engines now, so you could just hook up your solar arrays to an batbox (or higher ofc) and then hookup your electric engines to the quarry. Atleast, thats how ive done it, works like a charm :-)

Also, the new electric engines do not need to be cooled :)