President Barack Obama on Wednesday rebuked foes who promise "three-point plans for two dollar gas," aiming to deflect election year attacks sparked by rising US petrol prices. Obama's remarks came as he traveled to the swing state of North Carolina to visit a Daimler Trucks plant to tout a new $1 billion plan of incentives and tax credits to spur development of a new generation of clean vehicles. "This is not the first time we've seen gas prices spike," Obama said, as drivers face pump prices averaging $3.80 a gallon across the country, seeking to ramp up his campaign for...