2004 Mini Cooper Coupe At 51k Miles on 2040-cars

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Mini Cooper SE Convertible wheels made entirely from recycled aluminum

Mini has revealed an interesting fact about its limited-run Mini Cooper SE Convertible: It's the first production car with wheels made from 100% recycled aluminum. Despite sharing the same look as wheels available on the regular SE hatch, they're actually much more environmentally friendly. The wheels were developed with Swiss wheel manufacturer Ronal. The company sells aftermarket wheels under the Ronal and Speedline brands, and it supplies OEMs. And it's no stranger to more environmentally-friendly wheel production. It supplies wheels for the Audi E-Tron GT that are made using a smelting process that produces oxygen rather than carbon dioxide, and it now has a line of claimed carbon-neutral aftermarket wheels. But back to the Mini's wheels. Using all recycled aluminum has the obvious benefit of not requiring new aluminum to be manufactured. But the benefits are greater than just the raw material use. Mini points out that a major improvement in carbon emissions comes from being able to skip the electrolysis process for new aluminum manufacturing. Pure aluminum is extracted from aluminum oxide (which is in turn taken from the mineral bauxite). To do this large amounts of electricity are passed through molten solutions of aluminum oxide and cryolite (which takes energy to heat) across graphite cathodes and annodes. Not only does this use a lot of electricity that has its own carbon costs, the oxygen that separates from the aluminum bonds to the graphite annodes, yielding more carbon dioxide (which is why the production of those Audi wheels is also interesting). In total, Mini says the recycled wheel production reduces carbon emissions by 75%. More specifically, it estimates about 0.16 kilograms (0.35 pounds) per kilogram (2.2 pounds) of aluminum used. Mini also stresses that this process still maintains all the strength of conventional wheels, just in a greener way. And of course, the wheels themselves are recyclable again. Mini, and BMW more broadly, are looking at ways to upscale the process and to source suitable recyclable products, likely other old wheels from cars no longer on the road. Though neither company said anything about when we'll see fully recycled wheels more widely available. Related Video: MINI Electric Pacesetter inside and out

Question of the Day: What's the greatest British car ever?

The British automotive industry has produced everything from high-production econo-commuters to staggeringly luxurious oligarch-wagons, along the way winning plenty of races and building plenty of beautiful machines. The original Mini led directly to the past half-century of transverse-engine, front-wheel-drive cars built everywhere, the MGB put the sporty little convertible into everyone's reach, and the Morris Oxford became the most beloved motor vehicle in India. So many to choose from, but we want you to pick one. What will it be? Related Video:

2020 Mini John Cooper Works GP laps the 'Ring in under 8 minutes

Mini used the occasion of the Nurburgring 24 Hours race to show off a preproduction version of its upcoming John Cooper Works GP. That's fitting, because the GP — the hottest of Mini's hot hatch offerings — has been honed specifically to conquer the Nordschleife of the famous German track. In fact, Mini says it has already lapped the North Loop in under eight minutes. An official lap time will come later because testing is apparently still underway. But to put that time into perspective, the last version of the JCW GP lapped the 'Ring in 8:23, so the new version could be half a minute faster. That's impressive, even if track performance isn't always the ideal measuring stick for street cars like the GP. We know that the GP will have more than 300 horsepower, but exact power figures have yet to be released. As you can see in the image gallery above, it will have some crazy aerodynamic additions, but probably won't wear a Nurburgring-inspired camouflage wrap when it goes into production in 2020 with a limited run of 3,000 units. And now we know that it will be much faster round the 'Ring than the previous GP — but will it be faster than the lap time of 7 minutes and 43.8 seconds recorded by the Honda Civic Type R? We'll see, but we wouldn't be surprised.