03/28/2008 02:45 am ET | Updated May 25, 2011

Billionaire Behind Mars Candy Fights Polluting Energy Firms

A reclusive billionaire whose family owns the Mars candy empire is emerging as a formidable opponent to the energy industry's plans to expand development of some of the country's most productive coal and gas deposits.

Forrest E. Mars Jr., the former chief executive of Mars Inc., owns a sprawling ranch along Montana's Tongue River _ directly in the sights of companies hoping to tap the area's extensive coal and natural gas reserves.