This new trailer shows off the Group B Rally discipline in DiRT 3, Codemasters' upcoming racing sequel. Here's an explanation: "Group B is synonymous with a short-lived period in Rally where light regulation and few restrictions on car development led to manufacturers producing some of the most exciting cars that the sport has ever seen. Group B cars have since entered Rally folklore since cars with their astonishing power couldn’t have been developed during any other era of the sport. Sadly, these iconic cars were involved in an increasing number of accidents, which resulted in the banning of Group B Rally in 1986." Here's the embedded version.