Toyota & Porsche debut 2015 hybrid prototype racers for the FIA World Endurance Championship

Porsche, and Toyota, respectively, have released, and are testing, updated versions of their TS040 and 919 hybrid prototype racers in preparation to do battle in the 2015 FIA World Endurance Championship.

Toyota Completes First Test with Updated TS040 Hybrid
http://sportscar365.com/lemans/wec/toyota-completes-first-test-of-2015/

...and

2015-Spec Porsche 919 Hybrid Revealed
http://sportscar365.com/lemans/wec/2015-spec-porsche-919-hybrid-revealed/