2005 Mazda Tribute S on 2040-cars

Auto blog

Mazda files patents for a sequential twin-turbo setup

Mazda has a history of interesting engine technologies, from yesterday's rotary engine to tomorrow's compression ignition engine, and new patents show it still may have some internal combustion tricks up its sleeve. The one on display in these patents isn't especially new in concept, though. A sequential twin-turbocharger setup is something Mazda itself used on the third-generation RX-7. But it's something we haven't seen much of lately. It looks like it could have some possible advantages over older sequential systems, and it has some potential advantages for enthusiasts. First a quick and dirty primer for what makes a sequential twin-turbo system distinct from other twin-turbo systems. In many twin-turbo engines, there are simply two turbos that work together as one bigger turbo. They're the same size, and they spool up at the same time. With a sequential setup, at low rpm, a smaller turbocharger is spooled up first at low-rpm for quicker throttle response, and as the rpm and exhaust pressure increases, a valve opens up that allows a larger turbocharger to also spool up and provide high-rpm boost. That's basically how the Mazda design shown above functions. A big flap blocks off the larger turbocharger exhaust inlet, channeling all the exhaust to the smaller turbo. When more exhaust is available at high rpm, it looks like that flap opens up to spool up the big turbo, too. What's interesting here is that the way the turbochargers are packaged takes up less space than past systems. It looks like both turbos are contained in one unit that shares the same exhaust outlet, meaning the exhaust manifold could be kept simple and compact. In fact, the piping for compressed intake air could also be shared, reducing the amount of piping, which would further decrease the amount of materials and possible failure points. There are a number advantages of making this system smaller. The potential applications of the system are much greater, since it could fit in smaller cars with smaller engine bays. Making the system smaller also means that there won't be as much weight, which is important from both fuel economy and performance standpoints. Finally, the smaller setup likely uses fewer materials, which could make the system cheaper and thus easier to offer on a wider range of vehicles, or at least more profitable for Mazda.

2018 L.A. Auto Show: 5-plus takeaways on Jeep, Honda, Porsche and more

The 2018 L.A. Auto Show is making a strong case that auto shows aren't dead. Carmakers are ladling out sports cars and SUVs featuring serious style and performance in Los Angeles, and it's a feast for the senses. We're talking the new Porsche 911, the long-awaited Jeep Gladiator and the stylish Mazda3. It's the best car show with the most important reveals since the 2018 Detroit Auto Show kicked off the year. Here are some quick reactions: The 2019 Jeep Gladiator is a rock star When the story went live on Autoblog, our traffic went straight up. I've literally never seen the graph go straight up. So yeah, you guys seem to like it. I do, too. It's everything I want in a vehicle, including enough of a retro feel that it satisfies my cravings for an old Cherokee XJ. It's more capable and likely more expensive than I originally anticipated, but Jeep is going to have to expand its Toledo factory to keep up with demand. Don't be fooled by whatever the politicians say when that happens. It's because people like Jeeps and pickups, and this is the hero sandwich of all of that. I'd likely go with the 3.6-liter and a manual transmission if I were buying a Gladiator, but the diesel is compelling, too. Gladiator is a great name, drenched in history. I like it better than Scrambler, which never felt right to me. Only issue: It's a little over-the-top. Imagine this conversation: "So, ready to go to Panera?" "Sure, let's take the Gladiator." I mean, it's a bit much to refer to your personal vehicle as the Gladiator. Unless Russell Crowe is driving it. Then it's fine. The 2020 Porsche 911 is conservatively brilliant Every time I drive a 718 Cayman, Jaguar F-Type or another 911 challenger, I wonder if the 911 may be over the hill. It's not. And it likely never will be. This latest generation, dubbed 992 in Porsche-speak, stayed the course. The back takes some Mission E stylings that give the 911 a more modern feel. The flat six gets a little more power. The digital-heavy interior looks futuristic and slick. But overall, it's a blocking-and-tackling update that should satisfy the purists and maybe draw in a few new Porsche fans. It's the right time for the 2019 Honda Passport This slots between the Honda CR-V and the Honda Pilot. That's serious segmentation, but it's another crossover, and it's undoubtedly what the people want.

Autoblog fan favorite car ads from Super Bowl XLIX

Super Bowl XLIX is in the books, and the New England Patriots emerged victorious. Of course, if you're like us, the big game wasn't so much about the battle between the east coast and west, so much as a fight between the world's automotive advertisers. We collected and collated all of last night's new ads and put them together for you to vote on. And yes, we're limiting this year's contest to last night's new features. That's why you aren't seeing Dodge's epic Wisdom among our collection of commercials, and it's a similar story with Chevrolet's Truck Guy Focus Group series, which highlights the new Colorado. You can still vote for your favorites. We won't be closing the voting on our Super Bowl page, so while the winners and losers are correct as of this writing, it's entirely possible that there could be some changes in the rankings as time goes on. So, without any further ado, here are the winning ads based on your voting. Nissan: With Dad Fiat: Ready For Action Jeep: Beautiful Lands BMW: Newfangled Idea Mercedes-Benz: Fable NASCAR: America Start Your Engines As for those ads that failed to impact you, loyal readers, Toyota was the absolute, undisputed loser. The Japanese brand ran four ads in total – two for Toyota and two for Lexus – and all of them have negative tallies as of this writing. Lexus' Make Some Noise and Lets Play and Toyota's One Bold Choice and My Bold Dad both had very weak showings among the commercials that aired, although they weren't alone. Neither Mazda nor Kia scored particularly well, despite featuring celebrity magic act Penn and Teller and former James Bond, Pierce Brosnan, respectively. Chevrolet was the winner of the losers, as of our writing, recording the fewest downvotes for its audience-punking The Big Game ad. If you want to take a second look at the losing ads, you can head back to our Super Bowl page for the complete collection. But for now, head into Comments and let us know what you think of the results.