Actor Larry Hagman, known for his role as J. R. Ewing in Dallas, talks about his new solar power ad campaign. Hagman reprises his role as J.R. Ewing for the ad campaign. The actor has been using solar power at his own home in Southern California for several years. Hagman says his power bill has decreased from about $37,000 a year to $13 thanks to his investment in solar power. Take a look:
