Thermal cameras help detect the heat produced by a small hidden motor, even if the motor is turned off. AIGLE, Switzerland (AP) " There were no were no cases of riders using hidden motors inside their bikes on this year's Tour de France, following extensive testing by the International Cycling Union. The UCI said these additional tests backed up the results obtained using magnetic resistance technology, while Cookson praised Tour organizers and the French police for their assistance. "This demonstrates our absolute commitment to leave no stone unturned in a matter that, if not tackled properly, could seriously damage the renewed reputation of cycling," UCI president Brian Cookson said. This testing led to cyclo-cross rider Femke Van Den Driessche of Belgium being caught using a hidden motor at a world championship race.

Source: New Zealand Herald July 27, 2016 15:56 UTC