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Time to catch up with Jay Leno's Garage, including his Lamborghini Espada restoration

If you're already jealous of the time, effort and money that Jay Leno can devote to his massive car collection, prepare to get a little greener with envy with this latest video from Jay Leno's Garage. Instead of the usual format of discussing a model for about ten minutes and then taking it out for a test drive, this week Leno gives viewers on a tour of over a dozen projects concurrently happening in his stable. The breadth of the vehicles shown and the things being done to them run the entire span of the automotive hobby. At the same time, Jay's shop is working on just a simple restoration of his 1969 Lamborghini Espada (pictured), and at the other side of the building, the team is rebuilding a wood-bodied 1914 Detroit Electric from scratch. He eventually plans to slot a more modern electric drivetrain into it. If bikes are more your interest, there's a freshly completed Brough Superior just waiting for a ride, and if American models are your thing, a Ford Bronco is getting a Coyote V8 installed into it. You have some very specific tastes if you can't watch this clip and start wishing at least one of these vehicles could be in your own garage. Other than the personal projects his mechanics are working on in the shop, Jay gets to have them all, plus plenty more.

Mercedes-Benz engines with 48-volt systems coming in 2017

As part of a big green push announced yesterday, Mercedes-Benz is jumping into the world of 48-volt power. The company will launch a new family of efficient gasoline engines next year and will begin rolling out 48-volt systems with it, likely in its more expensive cars first. Mercedes will use the 48-volt systems to power mild-hybrid functions like energy recuperation (commonly called brake regeneration), engine stop-start, electric boost, and even moving a car from a stop on electric power alone. These features will be enabled through either an integrated starter-generator (Mercedes abbreviates it ISG) or a belt-driven generator (RSG). (RSG is from the German word for belt-driven generator, Riemenstartergeneratoren. That's your language lesson for the day.) Mercedes didn't offer many other details on the new family of engines. There are 48-volt systems already in production; Audi's three-compressor SQ7 engine uses an electric supercharger run by a 48-volt system, and there's a new SQ5 diesel on the horizon that will use a similar setup with the medium-voltage system. Electric superchargers require a lot of juice, which can be fed by either a supercapacitor or batteries in a 48-volt system. Why 48-volt Matters: Current hybrid and battery-electric vehicles make use of very high voltages in their batteries, motors, and the wiring that connects them, usually around 200 to 600 volts. The high voltage gives them enough power to move a big vehicle, but it also creates safety issues. The way to mitigate those safety issues is with added equipment, and that increases both cost and weight. You can see where this is going. By switching to a 48-volt system, the high-voltage issues go away and the electrical architecture benefits from four times the voltage of a normal vehicle system and uses the same current, providing four times the power. The electrical architecture will cost more than a 12-volt system but less than the complex and more dangerous systems in current electrified vehicles. The added cost makes sense now because automakers are running out of ways to wisely spend money for efficiency gains. Cars can retain a cheaper 12-volt battery for lower-power accessories and run the high-draw systems on the 48-volt circuit. The industry is moving toward 48-volt power, with the SAE working on a standard for the systems and Delphi claiming a 10-percent increase in fuel economy for cars that make the switch.

2016 Mercedes-Benz Metris hits US in October, priced from $28,950*

A Mercedes is hardly what we'd call a budget proposition for most, but everything being relative, what's the cheapest Mercedes you can buy in America? That used to be the C-Class, but not at the $40k it's pushing these days. The CLA or GLA start at over $31k, so one of those must be it... right? Keep trying. And the Smart Fortwo doesn't count. No, the most cost-effective Mercedes you can get in America is the one you're looking at here. It's the new Metris van, and it starts at just $28,950 (*plus a $995 destination fee). Joining the Sprinter (which starts at upwards of $35k), the Metris is Benz's new midsize van – filling a niche in between small vans like the Nissan NV200 or Ford Transit Connect and fullsize ones like the aforementioned Sprinter. It's about as long as the Dodge Caravan-based Ram C/V, but narrower, taller and with significantly more payload and cargo space. Mercedes calls it "right-sized," and evidently hopes commercial drivers and fleet operators will agree. Now if you've never heard the name Metris, you were probably distracted by all the glitz and glamor when Mercedes presented four of them at the SEMA show late last year. But that's alright, because it's a new nameplate: it's essentially the same as the Vito sold overseas, where it will continue carrying that same name, while being sold in North America as the Metris. Both cargo and passenger versions will be offered, the latter starting at $32,500 (plus that $995 destination fee). Power comes from a four-cylinder gasoline engine driving 208 horsepower and 258 pound-feet of torque to the rear wheels through a seven-speed automatic transmission. It's also got all the electronic bells and whistles you'd expect from a Mercedes, including fuel-efficiency and safety equipment – but stopping short, of course, of the luxury features. This is not that kind of Mercedes, and the luxed-up V-Class version offered overseas won't be making it Stateside. The Metris is being showcased this week at the NTEA work truck show in Indianapolis, with deliveries set to commence this coming October through a network of over 200 Mercedes van dealers across America, who will offer it alongside the larger Sprinter. MERCEDES-BENZ METRIS MIDSIZE COMMERCIAL VAN MAKES ITS DEBUT AT NTEA WORK TRUCK SHOW - "Mercedes-Benz Metris": The next big thing is mid-sized. - Introduction of the "Mercedes-Benz Metris" nameplate for the U.S.