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Lexus planning a hydrogen fuel-cell LS by 2017

Toyota's Fuel Cell System will certainly migrate to other vehicles in the carmaker's lineup, but Australian car site Motoring reports that one of the models at the head of the queue is the Lexus LS. According to its sources, the executive barge powered by hydrogen will be released by 2017 and take the top spot in the range, rolling in above the LS Hybrid. We're told that Toyota engineers will find a way to slide two hydrogen tanks into its bodywork with the same general setup as on the Mirai – one under the rear seats and another under the rear parcel shelf. The 150-kW fuel cell stack will be placed under the front seats. Motoring says the resulting sedan and its 220-kW electric motor would come in "at around 2,100 kg," which is 4,620 pounds; that's a ginormous 539 pounds less than the listed curb weight of the current LS Hybrid, and 387 pounds more than the standard LS. Assuming all goes as planned, it would have a range of roughly 238 miles, a few dozens less than the Mirai's range of about 300 miles. It would look slightly different, too, the front end getting larger intakes to cool the power unit. It wouldn't surprise us if Lexus does have a hydrogen LS planned – it would be a statement car, and the company likes making statements, even if few heed them; it has stuck with its LS 600h for the past seven years, yet of the 7,539 LS models sold through the end of November this year, only 61 of them were hybrids. The timing would be intriguing, however; by the time the LS hybrid came out, Lexus had already worked over its filet-and-potatoes models. And if the hydrogen version is going to come in above the $120,440 hybrid, well, that will be a statement indeed.

Why is there a huge bulge in 2021 Lexus IS 300 AWD's driver footwell? We explain

After an initial turn a few weeks ago for the 2021 Lexus IS first drive review, the revised luxury sedan has returned to the Autoblog garage for a second look. This middle-of-the-road IS 300 AWD pairs a 260-horsepower V6 with a six-speed automatic transmission and four driven wheels, and frankly it's the least interesting way to spec out the redesigned sedan. While there are cars in this segment designed to get a performance boost from their all-wheel-drive systems even in dry conditions, the IS isn't one of them. Adding insult to injury, you get stuck with a cramped driver-side footwell care of the engineering shenanigans that went into making this system possible.  While we've mentioned this particular compromise before, we rarely touch on the reasons why it exists in the first place. The fundamentals are fairly obvious; the standard IS utilizes a longitudinal, rear-wheel-drive powertrain. As is typical with this configuration, the transmission sits in a tunnel beneath the center console. This arrangement works just fine, provided you don't need to power the front wheels.  To do so in a traditional car like the IS requires a literal end-around maneuver involving the engine and transmission, which we've diagrammed for you below care of MSPaint. This is a bit simplified for the sake of this write-up, and it should be noted that this is not the only way to implement AWD in an inherently RWD platform, but it illustrates how the power for the front axle (red) and rear axle (blue) flows from the transmission to the drive wheels. To get juice flowing to the front axle, Lexus had to add a parallel output shaft, exiting the transmission from the front with enough clearance for the bell housing and engine, which sits between the transmission and the front differential. This requires quite a bit of lateral reach, meaning the housing has to extend much farther out than usual to accommodate it (yellow arrow). As a result, the all-wheel-drive transmission looks a lot like a sci-fi gun with a chunky drum magazine hanging off the side of it. The hump (above right) in the footwell is there to clear this protrusion. This basic configuration isn't unique to Lexus. In fact, if you look at a BMW xDrive cutaway, it's similar. So, why no "hump" in other cars? There are multiple factors, but to boil it down to what is most relevant, it's a combination of the resulting shape of the Lexus transmission housing and the size of the IS chassis.

Junkyard Gem: 1997 Lexus LS 400

When Toyota introduced the Celsior to the world in 1989, followed shortly by Lexus LS 400-badged versions appearing in showrooms (as 1990 models) around the world, automotive-industry executives from Stuttgart to Yokohama broke out in the shaky sweats. Here was a designed-from-scratch (at the cost of over a billion bucks) luxury sedan with a six-bolt-main DOHC V8 engine, all manner of futuristic gadgetry, a super-quiet interior, intimidating build quality … and a sticker price 44% lower than that of the Mercedes-Benz 420SEL, 30% cheaper than the BMW 735i, 26% cheaper than the Audi V8, 12% cheaper than the Jaguar XJ6, and 8% cheaper than the Infiniti Q45. Sales were brisk, and the early LS 400s are finally starting to wear out in sufficient quantities that I see quite a few in the self-service wrecking yards I frequent. The second-generation LS was built for the 1995 through 2000 model years, and these machines have held together so well and depreciated so slowly that it's tough to find discarded examples (we saw the same process with the sturdy Toyota Cressida a decade or two earlier). Today's Junkyard Gem is one of those second-generation cars, now located in a Denver car graveyard. I admired the LS 400 so much that, about 10 years ago, I bought a '97 Coach Edition in Jade Green Metallic paint and (2018 LS 500 shown for scale). Because I am a hopeless car nerd, I had a Celsior grille and set of badges shipped over from Japan and installed them on my Lexus. When the 1997 Toyota Century — the first year with the ultra-smooth V12 engine — becomes import-legal in the United States next year, I plan to obtain one. My LS 400 has been extremely reliable and still hasn't reached the 150,000-mile mark, but I like to know that I can find junkyard parts for it if necessary. I went to visit this car because I was hoping to find a good set of factory wheels for my winter tires; the Blizzaks roll on some much-rashed ugly LS wheels at the moment. I passed on these Vision alloys, in part because there were only three on the car. The interior appears to have been thoroughly worn-out even before junkyard shoppers tore it apart. I don't know how many miles were on this car (because I'd have had to connect a battery to get the digital odometer to show me anything) but I'm guessing the final total would be impressive. The 1UZ-FE V8 displaces 4.0 liters and was rated at 260 horsepower.