Aubrey K. McClendon

Oklahoma energy magnate's death accidental; implications few

The fiery one-car crash in which energy industry magnate Aubrey McClendon died was an accident, with no alcohol in his system and only traces of a drug commonly used in sleep aids, the Oklahoma medical examiner's office ruled Wednesday.

Authorities have said there wasn't enough evidence to prove whether the March 2 crash, in which McClendon's SUV smashed head-on into a bridge wall at nearly 80 mph, was intentional. But it happened the day after the former Chesapeake Energy CEO and part-owner of the Oklahoma City Thunder was indicted by a federal grand jury, leading to speculation of a possible suicide.

Whether McClendon's death was ruled a suicide or an accident will have...