xtrac

Improvements in fuel economy of up to 22.4 percent on the ARTEMIS test cycle (pdf), which represents typical real-world usage, have been demonstrated by a research vehicle fitted with a flywheel hybrid system that includes stop-start technology. Developed by a consortium of British firms as part ...

Dual-clutch transmissions are the current Holy Grail when it comes to transferring horsepower from underhood to the wheels of the car. Nearly every automaker that does serious business around the world offers dual-clutchers, and the ones that don't very likely soon will. It's easy to understand ...

Do your remember the hybrid system that stores braking energy not as electricity but in a rotating flywheel as kinetic energy? Well, the system is going to be mated to a special CVT transmission able to change 6-to-1 ratio within one revolution. That is, in 50 ms, the transmission can go to almost ...

We have often brought up the fact that the Formula 1 racing series, and their sanctioning body the Federation Internationale de l'Automobile (FIA), would like to showcase improved efficiency and use technology that is more relevant to the cars that are actually driven on the street. Honda has taken ...

For the past several years the governing body of Formula One racing has been pondering rule changes that would, among other things, make the sport more environmentally friendly. One of the proposals that has popped up several times is using hybrid drivetrains. Transmission builders Torotrak and ...

Xtrac, the company that brought us the transmission for the JCB Dieselmax land speed record, will be showing off a new hybrid powertrain transmission at the Autosport International Show at the Birmingham NEC in the U.K. The show runs today and tomorrow. The transmission will be paired with a ...

Over in Dearborn, Michigan today, the Motorsport Engineering Conference got started. It continues through Thursday. This conference, by the US Society of Automotive Engineers, includes panel discussions on "Motorsports in the Fifties: Tragedy and Response" and "Wind Tunnel Capabilities and ...