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GM reportedly developing 2.5-liter turbo four-cylinder

General Motors is allocating a massive amount of resources to developing electric technology, but it's not forgetting about the gasoline-powered cars that make up the bulk of its sales. It's reportedly designing a new 2.5-liter turbocharged four-cylinder engine based on its 2.7. Citing "sources familiar with the matter," enthusiast website GM Authority wrote that the 2.5-liter four is "in [the] final stages of development," meaning it should be announced sooner rather than later (assuming the report is accurate). Technical details are few and far between as of writing. The publication learned that the 2.5 will be part of the Cylinder Set Strategy (CSS) family of engines and that it will be mechanically related to the 2.7-liter currently found in the Chevrolet Silverado 1500, among several other models. It will feature dual overhead camshafts. It's too early to tell which models the 2.5-liter four-cylinder will end up in, or how much power it will generate. The output will likely depend on the application. For context, the 2.7 delivers 310 horsepower at 5,600 rpm and 348 pound-feet of torque between 1,500 and 4,000 rpm in the Silverado. In the smaller Colorado, it provides anywhere between 237 and 310 horsepower depending on the trim level selected. While this is pure speculation, our crystal ball tells us the engine will end up powering crossovers. It's an easy deduction to make. We can't imagine it will be offered in the Silverado, and seeing it in the Colorado is unlikely because its entry-level engine develops 237 horsepower; there's likely not much of a market for a midsize truck with 200 or so horsepower. Putting it in the Corvette wouldn't make sense and the Camaro has nearly reached the end of its life cycle without a successor planned. This leaves us with Chevrolet's range of crossovers, like the Equinox, as well as their GMC-, Buick-, and Cadillac-branded counterparts. We're not discounting the possibility that the cars set to receive the 2.5 haven't been unveiled, but those are likely crossovers, too; the odds of seeing another big Chevy sedan are very, very low. General Motors hasn't commented on the report, and it hasn't publicly announced plans to expand its CSS family of engines. If the report is accurate, we should learn more about the new turbocharged, 2.5-liter four-cylinder engine in the not-too-distant future. Featured Gallery 2022 Chevrolet Equinox RS View 56 Photos Buick Chevrolet GM GMC

Chevy Bolt meets 2016 Nissan Leaf at LA NEDW event [UPDATE]

The 2015 National Drive Electric Week kicked off this past weekend with events happening all around the world. Our friends from Plug In America (PIA) send us some notes and pictures from one of the larger events in Los Angeles, CA. This event was special because it saw the debut of the 2016 Nissan Leaf and the west coast debut of the Chevy Bolt concept. The two electric vehicles were in the same place at the same time for the first time ever. Besides that little bit of electric vehicle history, the organizers helped facilitate 800 test drives, PIA co-founder Zan Dubin Scott told AutoblogGreen. The city of Los Angeles also gave proclamations to movie director Chris Paine (Who Killed The Electric Car? and Revenge Of The Electric Car) and the three national organizers of Drive Electric Week: PIA, the Sierra Club and the Electric Auto Association. Speakers at the event included names that should be familiar to AutoblogGreen readers: California state senator Kevin de Leon, race car driver Leilani Munter, and Dave Barthmuss of General Motors, among others. Joel Levin, the executive director of Plug In America, said during his speech that, "Electric cars are changing the world. Every time one of these vehicles gets sold, our air gets a little cleaner. We will take a big bite out of climate change. Our economy will not be subject to wild swings in gas prices. And we will not be involved in foreign wars over oil." Tell us about your own NEDW events (that happened already or are about to happen) in the Comments below. UPDATE: We received the text of Andrew Speaker's comments at the event. Speaker is Nissan's director of Electric Vehicle (EV) Sales & Marketing. We've included them below. Thank you, and good afternoon! On behalf of Nissan, we are proud to sponsor National Drive Electric Week, and we're excited to be able to celebrate it here in Los Angeles with all of you. This is actually my first National Drive Electric Week event, and I am inspired by the level of enthusiasm here today, and seeing everyone's passion for electric vehicles first hand. Nissan has had some big news in the last few days with the introduction of the 2016 Nissan LEAF, which is the world's first affordable electric car to get more than 100 miles of range on a single charge. The 2016 LEAF offers a new 30 kWh battery with an EPA-rated 107 miles of range... and its making its global debut here in Los Angeles.

Chevy says not to look at the 2019 Silverado's fuel economy rating

The 2019 Chevy Silverado is hitting dealerships soon, and one of the most notable changes for the new full-size pickup is the addition of a 2.7-liter turbocharged inline-four. The engine replaces the naturally-aspirated 4.3-liter V6 in volume consumer models like the Silverado LT and promises more power, less weight and — most importantly — better fuel economy. The thing is, the gains in efficiency haven't been as dramatic as some might have hoped, especially when stacked up against competitors from Ford and Ram. As Automotive News reports, GM's response is a little murky. First, let's talk numbers. We're pulling all figures from FuelEconomy.gov, the official U.S. government source for fuel ratings. Fuel economy numbers on trucks vary greatly based on a number of factors. Bed and cab configuration play a part, but so does a four-wheel-drive system. You also have to factor in tires, transmissions, rear-axle gearing, hybrid systems and cylinder deactivation. Things like that can make the difference between best- and worst-in-class. The EPA's website doesn't give enough information a lot of the time, so there's really no easy way to compare apples-to-apples. First, take a look at the ratings for the 2019 Silverado. A 2.7-liter model with two-wheel drive is rated 20 city, 23 highway and 21 combined. That's both better and worse than a two-wheel drive 2018 Silverado with the 4.3-liter V6 (18 city, 24 highway and 20 combined). The updated 2019 Silverado with a 4.3-liter V6 has yet to be rated. With less weight and a smaller engine, many hoped Chevy would make bigger gains. It's unusual to see any decrease in a fuel economy metric these days. GM says that it's not done tuning the new 2.7-liter engine, so fuel economy could theoretically increase. Expanding further, a V8-powered 2019 Silverado (17 city, 24 highway and 19 combined) actually gets better highway fuel economy than a turbocharged four-cylinder powered truck in certain configurations, even if the latter has a better overall average. But that's only with two-wheel drive, the 8-speed transmission and cylinder deactivation. A Silverado with the 5.3-liter V8 and a 6-speed automatic is rated at 15 city, 22 highway and 17 combined. The biggest issue with the Silverado 2.7-liter doesn't come from within GM itself but from Ford and Ram. GM cites the Ford F-150 with the 3.3-liter V6 and the Ram 1500 with the 3.6-liter V6 as the closest competitors to its new 2.7-liter inline-four.