The Acura NSX sports car replacement program that was canceled when the bottom fell out of the automobile market appears to be back on again, according to Motor Trend magazine.? Honda was testing V-8 powered, rear-wheel drive prototypes when the program was shelved.? No MT sources in Japan say the NSX projects are back, but using a green V-6 hybrid powertrain with all-wheel drive.? The new NSX is expected by 2014.