The team has adopted the toughest of anti-doping regimes, including fortnightly tests for all its riders.

ECONOMIST: The Tour de France is hoping to beat the drug cheats

Since 2011, 12 amateur cyclists in America have been sanctioned for testing positive for banned substances or skipping mandatory drug tests, according to U.S. Anti-Doping Agency.

WSJ: Cycling's Minor Leagues of Doping