article thumbnail

Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

Green Car Congress

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.

article thumbnail

Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge. Knittel, 2009.

article thumbnail

ATT putting 101 CNG Chevrolet Express Cargo vans into fleet

Green Car Congress

Chevrolet Express/GMC Savana CNG storage tanks. The vans get gasoline-equivalent fuel economy of 11 mpg city and 16 mpg highway. Fuel tank capacity ranges from 15.8 The CNG option is available for order on Chevrolet Express and GMC Savana 2500 and 3500 Cargo vans. Click to enlarge.

Chevrolet 199
article thumbnail

Lightning Hybrids releases initial emissions testing results for medium-duty hydraulic hybrids

Green Car Congress

liter V10 and a 2010 GMC 3500 Savana Cutaway 6.0-liter Hydraulic pumps/motors and an accumulator (power storage unit) are added to gasoline, diesel, propane or CNG engines to store braking energy and use the captured energy to accelerate the vehicle, significantly saving fuel and brakes and cutting emissions.

Hybrid 275
article thumbnail

Magnesium alloy VSC Machine successfully begins trial operation at GM China Advanced Technical Center

Green Car Congress

6(a) is the first high-volume one-piece die cast magnesium instrument panel (IP) beam introduced in 1996 by General Motors (GM) for its full-size van (GMC Savana and Chevrolet Express). It is estimated that a vehicle’s fuel economy will improve 7% for every 150-kilogram (331-lb) reduction in weight. Earlier post.).

GM 218
article thumbnail

Perspective: A View Into the New GM

Green Car Congress

The morning session started out with an hour long press conference, the highlight being the unveiling of the Volt’s 230 mpg preliminary EPA city fuel economy finding ( earlier post ), as well as a tour showing selected elements from the studios of the four GM North American brands: Chevrolet, GMC, Buick and Cadillac.

GM 262
article thumbnail

GM and Chrysler Submit Updated Restructuring Plans; Up to $18.6B More Needed; Outlines for Product Plans

Green Car Congress

In the US, GM will focus on its core brands; Chevrolet, Cadillac, Buick and GMC. Pontiac will serve as a focused brand with fewer entries, within the Buick-Pontiac-GMC channel. GM Fuel Economy plans. These industry planning volumes are more conservative than those being used by most other industry sources.

Chrysler 150