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Bighearted enthusiast rescues stranger's Mazda RX-7 from floods

With Tropical Storm Cristobal charting a path for the Gulf Coast, a Biloxi, Mississippi, local named Khuong Nguyen wanted to get his FD-series Mazda RX-7 out of the storm — the coupe had some bad seals that would let in rain. He parked the orange and black coupe in the bottom story of a parking garage at the city's Golden Nugget Casino, which kept the rain from getting in. But Cristobal came on stronger than expected, creating a new threat of water from below when the parking garage began to flood. Austin Owens, a Gulfport resident about 10 miles from Biloxi, saw photos of the RX-7 with water up to its rockers on a local Cars and Coffee page. As he would later tell Jalopnik, the RX-7 being one of Owens' dream cars, he decided he needed to rescue it. Just to make sure we're all on the same page, a young man braved a tropical storm in his own vehicle to save a stranger's RX-7 in another city. Owens dragooned a friend and hopped in a Ford Bronco, dodging closed roads and fording three or four feet of water on open roads. They drove to Home Depot to pick up cinder blocks, then headed to the Golden Nugget parking garage. As Owens and his friend arrived, they met Nguyen and a couple of his friends pulling Nguyen's second car, a Ferrari 360, out of the garage on a trailer. The RX-7 had already been set on wood blocks, thin bricks, and some orange wheel chocks, but the stilt job wasn't high enough in front; the water in parts of the garage was knee deep. Owens jacked up the RX-7 to get the cinder blocks under the front wheels; the rear end was fine, due to the slope of the garage floor. Success. As one of Nguyen's friends told Jalopnik, Owens' actions "did give us adequate time to combat the rising water." The success came at a cost, though, Owens reporting, "We actually killed the [BroncoÂ’s] transmission on the way out. We actually had to drive in second gear all the way home" due to floodwater seeping into the transmission. He has no regrets, explaining his derring-do with, “ItÂ’s a rare car ... I would hope somebody would do the same for me if I was in the situation with a car of that stature. I didnÂ’t have it in my heart to leave it there." With the story blowing up on Facebook, he told the legion of enthusiasts sending their respects, "Appreciate the love, but IÂ’d expect the same for one of my cars," followed by, "Alright, whoÂ’s down for some Forza?" Save for the original seal issue, the RX-7 came out of the storm with no issues.

Mazda's next-gen SkyActiv engines will drop spark plugs in favor of high compression

Homogeneous charge compression ignition, or HCCI, is the black art of internal combustion engines that aims to produce diesel-like fuel efficiency for the cost of gasoline. Although some of its competitors have developed and subsequently given up on the tech, Mazda confirmed that the next-generation of SkyActiv engines will employ HCCI technology, improving fuel economy by 30 percent and at the same time reducing exhaust emissions. According to Nikkei, a new SkyActiv family of engines is set to debut under the hood of the next-gen Mazda3 sometime in 2018 before making its way into other vehicles. In simple terms, an engine that uses HCCI burns the air/fuel mix using pressure instead of with spark plugs, just like a diesel. At 14:1, Mazda's gasoline engines already have some of the highest compression ratios out there, but a move to HCCI means cranking up the compression to 18:1. While the tech sounds relatively straightforward, using HCCI means dealing with a number of side issues. It's one of those "on paper" ideas that compounds problems when put into practice. Heat, revs, and fuel must all be carefully managed as gasoline doesn't burn the same way as diesel. Mazda is mum on details, but the automaker seems confident that the issues have been sorted. If the new engines do indeed make it to market with HCCI, Mazda will have out-engineered GM, Daimler, and Hyundai, all of which have tried and failed to develop HCCI engines in a cost-effective package. With the market moving towards electrification, it's interesting to see Mazda still focusing so heavily on traditional internal combustion gasoline engines. It's an indication of where they see the market heading for the next few years. Although the automaker has been hesitant to move forward with hybrid and electric powertrains, Nikkei also reports that Mazda will begin mass production of EVs in 2019. Related Video:

2018 Mazda6 gets more power, efficiency to go with updated looks

The 2018 Mazda Mazda6 will debut at the L.A. Auto Show later this month, and the company released teaser images of the exterior and interior Wednesday – both of which tell us a lot about the new car. Mazda also said the sedan will have more efficient and more powerful engines. Starting with the visuals, the car doesn't look extraordinarily different from the current model, but there are notable changes. Up front, the Mazda6 now has a deeper-set grille with a 3D mesh instead of slats. The chrome strip that wraps around the lower part of the grille extends across the width of the headlights, too. Both of these cues are pulled from the Mazda CX-5. From what we can tell in the image, it looks like most of the sheetmetal along the sides and top are roughly the same as the current model. The interior also isn't a major departure from the current car, but the changes do make it cleaner and more elegant. All of the air vents sit along one slender plane that stretches across the interior. It leaves the top of the dash uncluttered and makes the vents look like a more integrated part of the design. Below the vent strip is another line of what appears to be vinyl or leather trim, and below that are the climate controls. The updated looks are accompanied by significant mechanical upgrades. While the current model offers just one engine, a naturally aspirated 2.5-liter four-cylinder, the new car will have two options. The first is again a naturally aspirated 2.5-liter engine, but it now has cylinder deactivation, allowing it to run on just two cylinders at times. For those who prefer power to efficiency, the Mazda6 will also be available with the turbocharged 2.5-liter four-cylinder from the CX-9 crossover. In that application, it makes 250 horsepower and 310 pound-feet of torque. The full reveal of the car happens on November 29 at the L.A. Auto Show. Be sure to check back then for more photos of and details about the car. Related Video: Image Credit: Mazda LA Auto Show Mazda Sedan