Automotive News - Report from The Green Car Conference

Rex Roy
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Automotive News - Report from The Green Car Conference

The Automotive News Green Car Conference & Exhibition was held November 14 in a conference center just outside the worried city of Detroit. While automotive industry leaders were in Washington, D.C. looking for loans, hundreds of event attendees were learning about the future of green transportation. What follows is a synopsis of our findings.

Future Trends
Without a doubt, eventually we'll all be driving vehicles motivated by motors. These motors will be powered by batteries charged by any number of sources; the grid, gasoline-fired engines, diesel engines, and eventually hydrogen fuel cells. The transition to EV-motoring will be long and gradual, taking decades for the necessary infrastructure to evolve.

In the meantime, ICEs (internal combustion engines), diesels, and HEVs (high efficiency vehicles, what hybrids are coming to be called) will fill product portfolios for the near- and mid-term. Several speakers talked about improving engine, battery and materials technologies, and how these will lead to incrementally better mileage. Expect single-digit improvements in MPG year over year and model over model.

What was missing from the presentations were silver bullets or magic beans that would provide a cure-all for fuel efficiency, emissions, performance, and reliability. It confirmed what we at Automobile knew going in, a quick and easy fix doesn't exist. (Somebody ... anybody ... please forward this to your representatives in Washington.) If an easy solution did exist, this was the place for it to surface. (Perhaps at the next conference somebody will finally take the wraps off a 100-mpg carburetor.)

Advancing Technologies
While no one speaker or panel discussion presented a quick solution to the automotive world's impact on the environment, we encountered some cool technology that's worth pointing out.

Dr. Patrick Olivia, Corporate Vice President Prospective & Sustainable Development at Michelin pointed out that in terms of energy consumption, tires eat up about 20-percent of a vehicle's energy. Many of Michelin's newest tires (in production now) cut rolling resistance by ten percent leading to a one percent improvement in overall fuel economy. And unlike in years past when low-rolling resistance tires didn't handle well, our experience in the new Audi Q7 3.0 TDI (shod with Michelin Green X rubber) proved that one can now have high efficiency along with high performance.

The Michelin Active Wheel
Olivia said that rolling resistance and tire aerodynamics present broad areas for improvement, but that we could one day see a wholesale change in technology at each corner of the car. He then referenced a technology shown at the 2008 Paris Auto Show, the Michelin Active Wheel. Designed specifically for electric vehicles, the complete assembly includes a propulsion motor and a second motor that controls the active suspension and braking. It doesn't take much imagination to see the potential applications for this system.

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