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

Watch Tesla Model S testing new titanium armor

In a missive signed by Elon Musk himself, Tesla announced it would be adding titanium plates and aluminum deflectors to all new Model S sedans and offering free retrofits for the 20,000 or so existing EVs. The company earlier offered an over-the-air software update to raise the ground clearance of the Model S so the car would be more likely to clear dangerous road debris. The actions were in response to well-publicized fires in the electric luxury sedans.

Cadillac to auction first '14 CTS V-Sport to charity

General Motors said Wednesday that it will be donating the first production model of the 2014 Cadillac CTS V-Sport to the SAE Foundation. The car will then be auctioned at Barrett-Jackson later this year with the proceeds going to the foundation's science, technology, engineering and mathematics student programs. The CTS V-Sport, or as Cadillac officially spells it, Vsport, was revealed earlier this year at the New York Auto Show.

Mercedes ESF 2009 Concept

The Mercedes ESF 2009 Concept showcases a raft of new safety technology So Mercedes has unveiled the Mercedes ESF 2009 Concept, which is a test-bed to showcase the latest technology Mercedes sees as on its way to mainstream. Mercedes has based the ESF Concept on the latest addition to the Mercedes S-Class Range – the S400 Hybrid – and has packed it to the rafters with airbags. There’s one that pops up between front seat passengers; airbags actually in the seatbelts and one great big airbag under the car that inflates if a crash is imminent.