Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

One Lap of the Web: Jay Leno does the T-REX, Porsche 912 restoration and cars with swimming pools

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Watch as Jay Leno explores the 2013 Campagna Motors T-REX, a three-wheel, street-legal motorcycle that is insanely fast, especially since one of the powertrain options is a six-cylinder BMW engine and the thing weighs practically nothing.

Renault Eolab Concept

Renault has bucked the trend of rather uninspiring Paris Motor Show previews with the Eolab. This B-segment-sized car that has been designed to a brief that states it must return fuel economy of 2l/100km (118mpg US/141mpg UK), and that all of its major technical innovations must be production-feasible by the year 2020. The Eolab is actually two cars – the Eolab prototype, which the engineering team has signed off as capable of 1l/100km (235mpg US/282mpg UK), and the Eolab Concept, which was overseen by the design team.

Lotus Evora Sports Racer (2013) first picture

This is the new 2013 Lotus Evora Sport Racer. Available in either standard Evora or supercharged 'S' form, the Sport Racer gets unique paint schemes, a wealth of optional extras thrown in – and a price cut to boot. Usually, less is more with Lotuses.