Wilson Ayers Clark Jr., 36, the founder and president of Control Energy Corp., a consulting firm, and the author of two books on energy policy, died Jan. 30 at Loudoun Memorial Hospital in Leesburg of injuries he received that day in a highway accident on Rte. 7.

Virginia State Police said Mr. Clark was thrown from his car when it ran out of control and turned over.

Mr. Clark, who lived in McLean, was born in Kinston, N.C. After attending the University of North Carolina at Chapel Hill, he moved to Washington in the late 1960s and started an energy newsletter. In 1974, he published a book, "Energy for Survival."

He was a founder of the Environmental Policy Center. He wrote numerous articles for Smithsonian and other publications. He was a consultant to the Defense Civil Preparedness Agency in the Defense Department and was the energy adviser to Gov. Jerry Brown of California from 1978 to 1981. He then returned here and started his own firm.

In 1981, Mr. Clark co-authored a book with Jake Page called "Energy, Vulnerability and War."

Survivors include his wife, Colleen Crossland Clark, of Washington; his parents, Wilson Ayers Sr. and Geraldine Clark of Kinston, and a sister, Elaine Taylor of Winterville, N.C.