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.

Business groups call for Severn tolls cut

BUSINESS groups are calling for a reduction in the Severn Bridge tolls as soon as the famous structure comes into public ownership. Following the recent announcement that tolls will be set to increase, the Federation of Small Businesses in Wales and the Freight Transport Association (FTA) have called for the tolls to be reduced to a level that only covers maintenance. In a joint statement the groups expressed their concern for the negative impact the increased tolls could have on the southern Welsh economy.

Mercedes SLS AMG Black Series planned?

It looks like Mercedes could be planning a 700bhp Black Series version of the SLS AMG Gullwing Currently, the top of the AMG Black Series tree is the SL65 Black. An awesome machine, but a bit of a lost soul. It loses the one thing that makes the SL special – the trick roof – and replaces it with a wave of power that isn’t actually that easy to put down on the road.