TTXGP Spec-ulation: can this grid be saved? TTXGP promotes itself as the “world’s first zero emission motorcycle racing series.” A question being asked these days is whether it might be the world’s last such series. On May 14, 2011, only four electric motorcycles showed up at the starting line for that afternoon’s race at Infineon Raceway in Sonoma, California. Rewind to a year before at the same track where TTXGP launched its ... By Harry Mallin News - May 24 2011 -