Mil Spec Aviation Exhaust Hose Assy, Aviation Corp. on 2040-parts.com

Report: Gasoline engine has big bang for the fuel-economy buck

A government report says improving the gasoline engine will yield huge gains for the consumer and the environment as automakers consider ways to improve fuel economy over the next 14 years. The Obama administration's technical assessment looked at four technology scenarios by which automakers might attain suggested CAFE goals of 47 to 62 mpg for cars and light trucks by 2025. The scenarios differed by the portion of an automaker's fleet that was accounted for by electrics, hybrid electrics and plug-in hybrid electrics.

2014 Acura RLX Sport Hybrid to make 377 hp

The 2014 Acura RLX Sport Hybrid will make its debut at the Los Angeles Auto Show this week. It will feature a new three-motor hybrid system and Acura's torque-vectoring Super-Handling All-Wheel-Drive, along with 377 combined hp. The RLX continues with Acura's 3.5-liter V6 making 310 hp with variable cylinder management.

Mazda to make 1,000 more copies of final RX-8

Wankel wankers, rejoice: The Mazda rotary engine has received a short stay of execution. Mazda is building 1,000 more RX-8 Spirit R models, and then the car is gone forever. Well, maybe not forever.