GM and added automakers are beneath burden from consumers and regulators common to backpack ammunition abridgement and lower emissions beyond the lath after sacrificing ability or performance.
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The three-cylinder agent is notable because battling Ford Motor Co. has been affairs a awful admired three-cylinder agent back abatement in the Fiesta subcompact. Ford’s three-cylinder agent additionally will be accessible in the 2015 Focus compact.
GM did not acknowledge how abundant it expects the new engines to addition the ammunition ability of its small-vehicle lineup.
Aluminum blocks, heads
GM’s new engines, apparent today at the company’s sprawling powertrain engineering address arctic of Detroit, will accept aluminum blocks and heads. They are modular, acceptation that they can all be congenital on the aforementioned assembly line.
Production has amorphous on the aboriginal new Ecotec engine, a 1.0-liter turbo three-cylinder that debuts this bounce in the Opel Adam baby car awash in Europe. The redesigned 2015 Chevrolet Cruze that GM will appearance this year in China gets a new 1.4-liter turbo and a 1.5-liter nonturbo engine.
GM is not adage back it will barrage the new Ecotec engines in Arctic America or which cartage they will power. But Chevrolet’s baby cars, which about lag the ammunition abridgement of key rivals, are acceptable to be the aboriginal to accept the engines.
For instance, the Ford Fiesta with its alternative 1.0-liter, three-cylinder agent has an EPA artery appraisement of 45 mpg, while the Chevrolet Sonic’s EPA artery ammunition abridgement appraisement is 40 mpg. The new Mitsubishi Mirage, which has a 1.2-liter three-cylinder, has an EPA artery appraisement of 44 mpg.
Once all of the variants of the new Ecotec engines are in assembly in bristles plants about the world, anniversary aggregate will be as aerial as 2.5 actor units, GM said.
If GM alcove the assembly target, the ancestors of engines would represent almost a division of the company’s anniversary all-around sales.
The new Ecotec engines will have:
Depending on the bazaar and the application, some engines will be offered with absolute ammunition bang and turbocharging, which enables baby displacement engines to bear far added power. The engines additionally will be acclimated in constituent hybrids, such as the Chevrolet Volt and Cadillac ELR.
With the Pontiac Solstice GXP and Saturn Sky Redline sports cars, GM in 2007 was one of the aboriginal automakers to action turbocharging, absolute ammunition bang and capricious valve timing to addition power. The 2.0-liter engines in those cars were rated at 260 hp.
Ford after acclimated the aforementioned apartment of technologies branded as EcoBoost. Ford has awash 1.2 actor EcoBoost-equipped cartage back they were launched in 2010.
GM says the new Ecotec engines will action added clarification than aggressive engines from Ford and Volkswagen. The three-cylinder Ecotec, GM says, will be as abundant as three decibels quieter than Ford’s 1.0-liter three-cylinder.
“From the outset, the babble and beating requirements for the new Ecotec ancestors were targeted at chic leading,” said Randy Guild, babble and beating architect for the all-around Ecotec engines. “Because we started with a clean-sheet architecture process, every component, from the butt block to the ammunition injectors played a role in accomplishing segment-class refinement.”
The engines will be congenital in Flint, Mich.; Shenyang, China; Szentgotthard, Hungary; Toluca, Mexico; and Changwon, South Korea.
GM isn’t adage how abundant it is spending on the new Ecotec engines. But the aggregation afresh invested $200 actor in its Flint bulb to apparatus up for at atomic one variant.
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