“The crash occurred around midnight Moscow time as his Dassault Falcon was taking off for Paris in poor visibility. The plane’s three crew were also killed, but television footage showed the snowplow driver seemingly unhurt.”
http://www.reuters.com/article/2014/10/21/us-russia-total-ceo-idUSKCN0I92HF20141021
AP also said the driver survived;
“Tatyana Morozova, an official with the Investigative Committee, Russia’s main investigative agency, said investigators are questioning the snowplow driver, who was not hurt, as well as air traffic controllers and witnesses.
“At the current time, it has been established that the driver of the snowplow was in a state of alcoholic intoxication,” Morozova said.”