All car manufacturers have this sort of logging enabled. It's used especially for testing and on-board equipment. This isn't what I had in mind, but serves to

All car manufacturers have this sort of logging enabled. It's used especially for testing and on-board equipment. This isn't what I had in mind, but serves to demonstrate the capabilities. http://en.wikipedia.org/wiki/On-board_diagnostics#Data_loggers http://en.wikipedia.org/wiki/On-board_diagnostics#Data_logge...