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Infiniti's variable compression engine in the 2019 QX50 is the first of its kind

The world's first variable compression ratio engine is here, in a production car. That car is the 2019 Infiniti QX50, debuting this week at the Los Angeles Auto Show. The midsize crossover has seen a refresh that has brought it an all-new platform together with new driver assist features, but it's the engine that's the centerpiece here. Nearly everything is continuously variable under the hood of the QX50 – not only the new shift-by-wire XTRONIC CVT. The new VC-Turbo gasoline engine is able to change its compression ratio from 8:1 to 14:1, or anything in between depending of the driving situation; whether there is need for top-end power or turbodiesel-like torque from low revs, or optimized fuel economy. The pistons' reach is continuously adjusted by an electric "Harmonic Drive" motor, which controls a multi-link system, affecting the top-dead-center of the pistons and changing the compression. The engine can also switch between efficiency-maximizing Atkinson cycle and regular combustion cycle, on the go – and there's both multipoint injection and gasoline direct injection employed. The result is 268 horsepower at 5,600 rpm and 280 pound-feet of torque at 4,400 rpm; good figures for a 2.0-liter four-cylinder gasoline engine with a single-scroll turbocharger. Infiniti says that the FWD version's fuel economy of 27 miles per gallon combined is 35-percent better than the previous-generation V6 engine; in AWD guise, it reaches 26 mpg, which is a 30-percent improvement. The new engine is pretty much all-aluminum, but the vaguely magical-sounding "transformative multi-link components" behind the variable compression system are made from high-carbon steel alloy. The engine's multi-link system also enables it to do away with any balancing shafts, and Infiniti compares its smoothness to a V6 rather than a regular four-cylinder. In addition to the aforementioned tech, the VC-Turbo engine has the world's first active engine mount vibration damping system to smoothen its operation even further. Related Video:

Infiniti prices Q50 2.0t from $34,855, hybrid from $47,955

Infiniti has a whole range of new engines coming out for the Q50. And that means a new pricing scheme to go along with it. The bottom line is that you can now get into the sports sedan for as little as $34,855 (inclusive of the $905 destination charge). That price is for the 2.0-liter turbo model that's the new point of entry into the range with 208 horsepower on tap. It also represents a much lower starting price for the 2016 model than the one it replaces, which started at over $38k for the base Q50 3.7. It also undercuts the price of the comparable Audi A4, which also comes with a 2.0-liter turbo four priced from $38,250. The BMW 3 Series straddles the divide with two models equipped with 2.0-liter turbo fours: the less potent 320i with 180 hp priced slightly below the Infiniti at $34,145, and the more powerful 328i with 240 hp for $39,345. If you want all-wheel drive or the Premium trim, you'll need to cough up an extra couple grand for each, which is a larger premium than the Japanese automaker charged before. Pricing for the V6-powered 3.0t and Red Sport 400 models are still to come. But along with the 2.0t sticker, Infiniti also released pricing for the hybrid model, which only comes in Premium spec and starts at $47,955. That's a couple grand more than the outgoing version cost at $45,305. For the time being, the top of the line is the Q50 Hybrid Premium AWD, which goes for $49,955. Related Video: INFINITI ANNOUNCES U.S. PRICING FOR 2016 Q50 2.0T AND Q50 HYBRID PREMIUM MODELS First two of four available Q50 engines available now, new 3.0-liter V6 twin turbo-equipped models to follow later this year NASHVILLE, Tenn. – Infiniti today announced pricing for the 2016 Infiniti Q50 2.0t and Q50 Hybrid Premium models, which are on sale now at Infiniti retailers nationwide. Pricing starts at $33,950 for the Q50 2.0t and $47,050 for the Q50 Hybrid Premium. The Infiniti Q50 sports sedan, Infiniti's best-selling model, enters the 2016 model year with an array of significant enhancements, starting with the addition of three new turbocharged engines and continuing with new technologies designed to enhance the already strong driving dynamics of Infiniti's best-selling model. The 2016 Infiniti Q50 is now offered in an expanded range of trim levels, each in a choice of rear-wheel or all-wheel drive – Q50 2.0t and Q50 2.0t Premium, Q50 3.0t Premium, Q50 Hybrid Premium, Q50 3.0t Sport and Q50 Red Sport 400.

Red Bull keeps 2015 RB11 F1 challenger under wraps [UPDATE]

UPDATE: A previous version of this post suggested that Daniil Kvyat drove for Red Bull last year, when he actually drove for its affiliate team Toro Rosso. The text below has been updated with the correct information. This season will be one of new beginnings for Red Bull Racing. It's the first time in three years that it's not returning to the Formula One grid as defending champions, and without a world champion at the helm. But return it will to fight to regain its title, and this is the car with which it intends to do so. Revealed ahead of the season's first test session in Jerez this weekend, the new RB11 is wearing a bold camouflage "testing livery" of the type we're more accustomed to seeing on road-going prototype than on a racing car. Expect it to be replaced by the familiar blue, red and yellow by the time the season kicks off in Melbourne next month. Though the camouflage may keep certain aero developments disguised (if not altogether hidden) from the prying eyes of its rivals, the sloping nose mandated by the new regulations is plain to see. Otherwise the new RB11 is likely more of an evolution rather than a revolutionary clean-sheet redesign over the RB10 that returning hot-shoe Daniel Ricciardo drove last year, to be joined this season by Daniil Kvyat, who's been promoted from Toro Rosso to replace departing four-time champion Sebastian Vettel. Whether they can succeed, however, will largely depend on the engine. Red Bull has emerged as the primary partner for engine supplier Renault (sister company to the team's title sponsor Infiniti). In fact, after Lotus switched to Mercedes (and assuming Caterham doesn't make it back to the grid), Red Bull and its sister team Toro Rosso will be the only teams running Renault engines this season. The team says it has worked closer than ever with the French automaker to develop the Renault power unit, but chances are slim that they'll be able to catch up to Mercedes given the restrictions on engine development. If anyone can catch the Silver Arrows, though, it'll surely be Red Bull – the only other team to win a grand prix last season. THE RB11 REVEALED After an intensely busy off-season, Infiniti Red Bull's Racing's 2015 Formula One car, the RB11, has hit the track and begun testing at the Circuito de Jerez in Spain ahead of the new season.