2008 Lotus Elise Sc Convertible 2-door 1.8l on 2040-cars

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Lotus introduces Certificate of Provenance program

Lotus is diving into its vast archives to make it easier for owners to trace their car's history. It launched a global program called Certificate of Provenance that provides historical information about a specific car. Available through authorized Lotus dealers, the Certificate of Provenance includes details like the car's VIN and its original color. It also notes the date the car rolled off the assembly line in Hethel, England, and the date it entered the company's dealer network. Key specifications, including the engine, the transmission, and the extra-cost options the original owner ordered, are printed on a personalized Build Specification Letter. Owners who order the certificate will also receive a letter from Lotus CEO Phil Popham in which he pledged to explain the changes going on at the company, and how it's preparing for the future. Summing up the situation in a letter will likely be easier said than done, because Lotus (which is now controlled by Geely) is undergoing a complete transformation that includes a major product expansion and a renewed focus on the American market. It called the Evija, its first electric model, a trailblazer whose technology will permeate other battery-powered cars.   Related: Geely, with Volvo's help, plans to grow into a global auto giant   In addition to the aforementioned documents, enthusiasts who order a Certificate of Provenance will also receive an aluminum plaque engraved with the owner's name, a leather keychain, a carbon fiber bookmark, and a Lotus pen. Pricing starts at GBP170 plus the cost of shipping in the United Kingdom, a sum that represents about $225. And any Lotus owner can order it regardless of whether they own a 1959 Elite or a 2020 Evora GT. The first car certified by Lotus is a 1981 Esprit Turbo (pictured) that stands out as the last company car ordered by company founder Colin Chapman. Wearing registration number UVF 464X, it remained in Chapman's possession until his death in 1982, and it was sold to a private buyer the following year. Lotus recently purchased it with 11,000 miles on its odometer, and it plans to restore it before adding it to its heritage collection. Chapman didn't settle for a regular-production Esprit Turbo. He ordered his car with power steering (which wasn't available on the Esprit at the time), a lowered suspension, and modified brakes. He also ordered BBS wheels. Related Video:

This is how ground effects work in a nutshell

There are two ways to generate downforce. One is with all manner of wings and spoilers on the surface of the vehicle. The other is with ground effects. One you can clearly see, the other remains something of a hidden mystery. Fortunately, the good folks at Lotus and Goodwood are here to dumb it down for us non-engineer types. It's called Bernoulli's Principle, named after Swiss physicist Daniel Bernoulli who literally wrote the book on the subject way back in the 1700s. Countless engineers have spent their careers focused on its study and application, but the crux of the matter is that, as the speed of air (or other "fluid") increases, pressure decreases. Play with the air's increasing speed and decreasing pressure just right and you can generate downforce underneath the body of a car without significantly increasing drag as you would with surface spoilers. For evidence of how Bernoulli's Principle applies in practical terms, just look at the last Ferrari to pack a turbocharged V8 in the middle and the latest one. The F40 had a giant wing on the back, where the 488 GTB has none. But because the 488 uses underbody aerodynamics (or "ground effects"), it generates significantly more downforce than the winged F40 ever could, and at lower speeds. Ferrari, however, was not the first outfit to harness the power of ground effects. Lotus did with the legendary 79 that Mario Andretti drove to the world championship back in 1978. That was the genius of Colin Chapman, and to explain how it all works in layman's terms, our friends over at Goodwood Road & Racing brought in Colin's son Clive Chapman, head of Classic Team Lotus, to put together the video above. Related Video:

Race Recap: 2013 Bahrain Grand Prix follows the template of this year and last [spoilers]

The sand, the wind, the penalties, the contact and the one crash - all of them collided to make the Bahrain Formula One Grand Prix a surprise affair from day to day and lap to lap. Oh, and did we mention the tires? Pirelli made a last-minute swap after the amusement park ride that the Chinese Grand Prix turned into with the soft compound tire, and brought medium and hard compounds to the desert. That didn't stop things from falling apart for some teams - literally - and that didn't stop the one team that seems to love the hard compound Pirelli tire.