A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words ...

A lot of talk is taking place behind-the-scenes with concerns that Mercedes and Red Bull have found a loophole in the FIA regulations.

Widespread reports suggest that at least one power unit manufacturer has managed to find a potential regulatory grey area.

May 29 (Reuters) - Universal Compression Partners LP agreed to buy 715 compressor units, or 13 percent of horsepower, from its joint business with natural gas compression services company Universal ...