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Chevy's 6.6-liter Duramax is pretty much all new

To say there's a heated battle in heavy-duty pickups is an understatement, with Chevrolet, Ford, and Ram constantly trading blows of increased torque, horsepower, and towing capacity. The latest salvo is the revised, more powerful turbo diesel 6.6-liter Duramax V8 in the 2017 Chevy Silverado. It has 910 pound-feet of torque, an increase of 145, putting it nearly level with the Ford Super Duty. Here's a closer look at where those gains come from. How exactly did Chevrolet add all that torque plus 48 horsepower? The automaker essentially took a fine-tooth comb to the entire engine. Chevy says it changed 90 percent of the V8, and the cumulative effect of those small changes adds up to big increases. As you might guess, the turbocharger is updated. The larger unit features electric actuation of the variable nozzle turbine (VNT), and what Chevy calls a double axle cartridge mechanism that separates the VNT moving parts from the housing. That helps with heat performance as well, with a claim that the exhaust side of the turbo can run continuously up to 1,436 degrees Fahrenheit. Helping that cause are six exhaust gaskets made of Inconel - an nickel alloy that contains chromium and iron – and upgraded stainless steel for the exhaust manifold. Despite having the same cast iron cylinder block, albeit with some minor enhancements, the engine has new cylinder heads, pistons, piston pins, connecting rods, and crankshaft, which have all been upgraded to handle 20 percent higher cylinder pressures. Alongside the increase in pressure, Chevrolet also increased the cylinder head's structure with a honeycomb design. The pattern features high-strength aluminum with dual layer water jackets that not only improve strength, but also optimize water flow for better cooling. For 2017, the cylinder head also benefits from integrated plenum that aids the engine in getting more air under heavy loads. The cylinder head isn't the only component to get a minor update, as the pistons have a larger diameter pin for improved oil flow. The same detailed improvements has been bestowed to the humble connecting rods (second in our hearts only to the inanimate carbon rod). The new design has the bolts oriented roughly 45-degrees to the rod instead of parallel. The angle split design, as it's called allows for easier passage through the cylinder.

Recharge Wrap-up: Lexus CT 200h is NWAPA's favorite hybrid, 'No Charge to Charge' in LA

The Northwest Automotive Press Association (NWAPA) has given the Lexus CT 200h its Favorite Hybrid title. It named the compact luxury hybrid its favorite of 2014 at its Drive Revolution in Portland (where it also named the new Volkswagen Golf TDI the Northwest Green Car of the Year). According to NWAPA president Nik Miles, the CT 200h earned the honor for "impressive combination of state-of-the-art small car luxury and hybrid technology." For 2014, the Lexus CT200h got an updated front end, including the spindle grille we've been seeing on new Lexus vehicles, plus a redesigned steering wheel and sliding sun visors. Read more in the press release below. Chevrolet credits the Malibu for helping make stop-start mainstream. Chevrolet started including stop-start technology standard in Malibus equipped with the four-cylinder engine. Chevy has sold about 83,000 of that model, so 97 percent of 2014 and 2015 Malibu sales include stop-start. Now, that technology has made its way into the 2015 Impala. With drivers idling an average of 16 minutes a day, stop-start can significantly reduce harmful emissions and save fuel. According to Navigant Research, we can expect annual sales of cars equipped with stop-start technology to surpass 55 million by 2022. Read more in the press release below. Nissan Leaf customers in Los Angeles will get access to free charging beginning August 15. Nissan is extending its "No Charge to Charge" promotion to LA, which will allow customers to charge at public charging stations at no cost. Leaf customers - including those who bought or leased their car from the participating dealerships on or after July 1 - will get an EZ-Charge card, allowing them to use ChargePoint, Blink, CarCharging, AeroVironment and NRG eVgo chargers for free. Rapid chargers can charge the Leaf's battery to 80 percent in 30 minutes. Nissan plans to offer the "No Charge to Charge" in at least 14 more markets in the US, bringing the total to 25, within the next year. See the press release below for more details. California will get six all-electric school buses for three school districts as part of a demonstration program. The California Energy Commission awarded a grant of $1.4 million for the program to National Strategies LLC; this is in addition to a $2.2-million grant from the South Coast Air Quality Management District. The EV buses use vehicle-to-grid technology, allowing them to sell energy back to the grid when it is needed.

Check out the official 2013 Trans Am Hurst Edition commercial

The Poncho is dead. Long live the Poncho. Like certain other reoccurring personal maladies, the aftermarket community simply can't let the Trans Am go without another flare up. The guys at Trans Am Depot have worked up a quick commercial for their newest creation: The 2013 Trans Am Hurst Edition, and it watches pretty much like you'd expect it to. The footage is comprised of just about every TA male fantasy you can conceive of, from Daisy Dukes and white tank tops to tramp stamps, bikinis and ice cream cones. There simply aren't words for what you'll see below.
Of course, we like our T-Tops as much as the next guy. If you like what you see in the videos, you can pick up your very own TA by heading over to the Trans Am Depot site. The guys even have Chevrolet Camaro-based versions of the Pontiac GTO if the '77 TA treatment is too much for your tastes. Enjoy, but don't say we didn't warn you.