Polaris Spindle 2001 Xc-sp Edge 2001-2007 on 2040-parts.com

Modified supercars at SEMA 2013 in pictures

The SEMA tuning and modified car show held in that centre of American excess, Las Vegas, is a melting pot for all things automotive. From trucks and busses to family saloons and hatchbacks, aftermarket tuning companies go to work making the wackiest modified versions of every type of vehicle around, showing off their wares at SEMA. Not even supercars are off limits.

This Kia can calculate your body fat

At the 2014 CES, Kia binged on three-letter acronyms with a slew of connectivity technology that culminated in the first U.S. debut of its KND-7 concept. For a company whose name is composed of three letters, it's not entirely unexpected.

BMW, Daimler experiment with upscale rent-by-the-ride

Two European luxury brands are tiptoeing into car sharing, a radical move for carmakers whose business for the past 100 years has been selling to individuals. German archrivals Daimler AG and BMW AG have launched sharing programs. The automakers say the move was prompted by changing attitudes about car ownership, especially among young buyers, and increased urban congestion.