6 Articles
Audi introduces lighter, more efficient 3.0L V6 turbodiesel, can cut consumption by 20%

At its annual technology day in Ingolstadt yesterday, Audi revealed more information about its redesigned 3.0-liter V6 turbodiesel engine. The refreshed powerplant will be appearing in an array of products from the Volkswagen Group this year, including the new Touareg, Cayenne and the Sam Abuelsamid

Hyundai going down the DI and weight reduction path for more MPG

Hyundai is already near the top of the fuel economy ranks in the U.S. market, but that's not enough to meet future requirements. Currently, Hyundai trails only Honda and Toyota in the CAFE race. Going forward, Hyundai plans to upgrade its powertrains and reduce mass to get its conventional vehicles to use less fuel. On the propulsion front, the Korean manufacturer plans to shift to direct injection with both normally aspirated and turbocharged engines. Sister brand Kia already showed the

Honda and Nissan working to mass-market carbon fiber

Their efforts will be helped by the government, which is injecting two billion yen into the project over five years. The plan is that by the middle of the next decade, they'll be able to mass produce a cost effective carbon fiber and use it to reduce the weight of cars by 40-percent. And when they're finished with it, they will also be able to recycle it to reduce production costs.

Lotus creates lightweight structures division

The philosophy of Lotus founder Colin Chapman was always to make his cars as light as possible. He is reported to have said at various times "to add speed, add lightness" and "simplicate, than add lightness." Over the years, Lotus cars have often been among the lightest of their kind and innovations in weight reduction continue to

No more body on frame SUVs likely from GM

The current GMT920 full-size SUVs from General Motors are very likely to be the last of their kind from the Detroit automaker. Even though new fuel economy standards give the big trucks a break based on their footprint, radical changes are likely for the next-generation models. A fully-equipped Tahoe is well over 5,500lbs and a big part of reducing fuel consumption in the next few years will be weight reduction. One step in that direction will be a shift from the body on frame designs these vehi