American Robby Gordon faces disqualification from the Dakar Rally after stewards recommended his removal from the race because his Hummer's engine does not conform to regulations.
Nasser Al-Attiyah has called time on the defense of his Dakar Rally title, pulling out of the 2012 race after problems with his car.
A flat tire saw Stéphane Peterhansel's lead in the Dakar Rally cut to seven and a half minutes by American Bobby Gordon who finished second behind stage eight winner Nani Roma.
Nasser Al-Attiyah kept his Dakar Rally title defense alive as he clawed back almost eight minutes in winning Saturday's seventh stage in Chile.
Former world champion Kimi Raikkonen is excited ahead of his return to Formula One next season, having signed a two-year deal with the renamed Lotus team in November.
Formula One's all-conquering Red Bull team announced on Thursday that Swiss Sebastien Buemi will serve as their reserve and test driver for the 2012 season.
Defending motorcycle champion Marc Coma of Spain won Wednesday's 362km fourth stage of the Dakar Rally from San Juan to Chilecito, although the Spaniard still trails KTM team-mate Cyril Despres in the overall standings.
Juan Roma won the third stage of the Dakar Rally in Argentina Tuesday as Mini teammate Krzysztof Holowczyc of Poland took the lead in the overall standings.
Defending champion Marc Coma claimed the 17th Dakar Rally motorcycle stage win of his career on Monday with victory in the 295km second stage from Santa Rosa de la Pampa to San Rafael in Argentina.
Former world rally champion Carlos Sainz took the lead in the Dakar Rally on Monday after drivers and riders arrived on African soil following the overnight crossing from Spain.