Makers Still Focusing on Lighter Materials, Better Engines to Meet CAFE

Broader use of lightweight materials, such as aluminum, and ever more efficient new engines top the list of strategies the auto industry is using to meet 2025 Corporate Average Fuel Economy or CAFE standard of 54.5 mpg, according the annual Wards Auto survey of engineers from both automakers and major suppliers.

The study, sponsored by DuPont Automotive, also shows that carmakers and suppliers are taking a hard look at a variety of technologies as the mid-term review deadline looms. Interest in diesel engines, fuel cell and even bio-fuels all increased in this year’s survey.

However, transmission technologies, new to this year’s survey, and electrification form the second tier of strategies, according to the nearly 900 respondents in the automotive design and engineering community.

“Lightweighting is a universal approach because it can be applied to every system and every component and it amplifies the impact of the other strategies,” said Jeff Sternberg, technology director for DuPont Automotive. Electrification, which saw one of the largest increases in mentions this year.
“(It) is fast becoming another universal strategy. Light electrification, such as stop start, regenerative braking system and transmission and engine controls are expanding across the light vehicle fleet,” he added.

With the mid-term review of the 2025 CAFE standards scheduled through 2017, 86% of the respondents say they expect the standards to strengthen or remain the same. At the same time the major of the respondents, 87% say low gas prices in combination with low sales of fuel-efficient, low-emission vehicles will impact programs to meet CAFE regulations.

READ MORE of the original article on The Detroit Bureau

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