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2021 L.A. Auto Show roundup | All the reveals, reviews, pictures

The L.A. Auto Show took place this week for the first time since the onset of the pandemic. It was a show packed with news and reveals, which hasn't really been the case with other shows we've seen this year, and Autoblog was on the floor covering every minute of it. Well, Riswick and Stocksdale were, anyway. The rest of us were sitting at home in our sweatpants, but hey, we'll take credit anyway. Let's get to it. Hyundai Seven Concept This is the Hyundai Seven Concept, and it’s meant to act as a preview for an incoming electric SUV for the Ioniq brand. It leans more toward the concept side of the spectrum than a production car, but expect the final SUV to take design cues from the Seven Concept. Kia Concept EV9 The Hyundai Seven counterpart isn't the only big, bold electric SUV at L.A. this year. Kia has its own take, and it's a modernized version of the traditional boxy utility vehicle called the Concept EV9. It also previews one of the next production electric cars for the brand, which should look right at home next to things like the Telluride. 2023 Kia Sportage HEV As promised, the 2023 Kia Sportage HEV has been revealed. The hybrid powertrain makes the compact SUV the most powerful version available, and it goes on sale next year. The engine is a turbocharged 1.6-liter four-cylinder paired with a 44-kW electric motor. Total output is 226 horsepower. The company didn't give a torque number, but it should basically be the same as the Sorento HEV that has the same basic powertrain: 258 pound-feet. Those numbers are a healthy step up from the 187 horsepower of the base 2.5-liter engine. 2022 Range Rover If you noticed how extra smooth and suave the new Range Rover looked during its recent reveal, Autoblog's James Riswick got a design tour that revealed some of the technological secrets to its success. "Less is more" is harder to achieve than it looks. Fisker Ocean Fisker has brought the new Ocean EV to the L.A. Auto Show, with a public preview at Manhattan Beach and a presence at the show itself. You can watch the public show reveal above, and see more shots from the show floor below. Fisker says the Ocean will start at $37,499 before incentives. That entry model would be the Sport trim with a single, 275-horsepower motor driving the front wheels and 250 miles of estimated range. It also has a 0-60 time of 6.9 seconds. 2023 Toyota bZ4X This is the 2023 Toyota bZ4X, due to hit U.S.

How Mazda got Skyactiv-X to work is incredible

"Take everything you know about engines and turn it around," Mazda North America Vehicle Development Engineer Dave Coleman says, patiently and with a look of benevolent pity, as he's quizzed about the particulars of the company's new engine. The Skyactiv-X engine is enigmatic — and deceptively simple in operation. And the bottom line for American consumers is that they'll be able to buy a car (or crossover; we don't know yet what vehicle will first get it) by late 2019 that provides diesel-like fuel economy but runs on regular old gasoline. In between diesel and spark ignition, but it's neither To truly understand it, you have to dive into the contradictions. Take that regular old gasoline: Contrary to common sense, the lower the octane, the better it works. In the lab, the Skyactiv-X engine loves 80 octane. The lowest Americans get is 87, so the engine is tuned for that octane. Go higher and you lose some low-end torque. Coleman was right. It's hard to wrap your head around an engine that thrives just at the point when most gas engines would aggressively self-destruct. It uses a supercharger to pump additional air — but not additional fuel. It uses spark plugs to start a combustion cycle that normally doesn't need a spark. And, quixotically, it's not displacing Mazda's own American-market diesel engine, currently languishing in a seemingly endless hell of regulatory approval. More bizarre: Mazda is a tiny automaker facing real existential headwinds, and gasoline compression ignition is a massive challenge. GM and Hyundai announced compression ignition, or HCCI, projects (full name, homogeneous charge compression ignition) to great fanfare, but they never amounted to a production hill of beans, crippled by reliability issues or horrible vibrations. Worse, they only worked at an unusably narrow range — low RPMs and low loads. HCCI research improved direct-injection gas and diesel engine technologies for these companies, but HCCI itself remains untamed. The benefits of lean combustion Why even try to tame HCCI? The answer is much better fuel economy and lower emissions. Less burned carbon-based fuel, less carbon dioxide released. That's simple. But there are some thermodynamic reasons for the lean combustion you can achieve with compression ignition that are worth explaining. The ideal amount of fuel for a conventional engine to burn is about a 14:1 air-to-fuel ratio. That lets every molecule burn nicely, in theory.

Mazda has no plans for an RX-9, despite ongoing rotary development

We know Mazda is capable of making wonderful cars in any form or bodystyle. It also likes to tease enthusiasts with promising concepts like the stunning RX-Vision. In news that's sure to raise the ire of enthusiasts around the world, it seems the automaker has no plans to follow through with a production version of that beautiful, Soul Red coupe. In fact, it doesn't look like Mazda is interested in building any sports car that would slot above the Miata. In an interview with Automotive News, Mazda CEO Masamichi Kogai responded with a simple "No" when asked if Mazda has plans for a larger sports car entry. Kogai was asked if Mazda has any plans for a production rotary. He said that the 1.5- and 2.0-liter engines in the Miata are more exhilarating. That's a debatable and subjective argument that thousands of rotary owners both past and present would likely disagree with. It's more likely that despite ongoing development of the Wankel, Mazda is still struggling to meet emissions standards. Despite the advantages of a rotary (high power-to-weight ratio, compact size, rev-happy nature), it's not very fuel efficient and struggles with emissions testing. Also, despite the prestige and attention a halo sports coupe could potentially bring, Mazda is a small, independent automaker that needs to focus on mass appeal. Creating an all-new design with a unique engine isn't cheap. Badging a non-rotary car as an RX would be sacrilege, so don't expect an RX anything anytime in the near future. Current RX owners should take a moment to lament. Their car probably needs another quart of oil anyway. Related Video: