13 Dodge Avenger Right Rear Door Interior Trim Panel Black 77110 on 2040-parts.com

America trialling solar-powered roads

Solar Roadways After glow-in-the-dark road markings proved to be a bit of a flop when the paint washed away in the rain, experts are now experimenting with solar-powered motorways. A small, family-owned American company based in Idaho called Solar Roadways has created a short section of road that uses the sun’s energy to power nearby buildings, as well as electric cars. If the solar-powered roads are adopted worldwide, it could put an end to the range-anxiety commonly associated with electric vehicles.

Video: Jan Kaul explains Mercedes-Benz A-Class' interior

Mercedes-Benz has released a video exploring the interior of its new A-Class featuring the designer who headed the project. Jan Kaul explains in the video how the inspiration behind the interior was the subject of aviation, the same inspiration that produced the Concept A-Class show car. "The theme running through the design of the A-Class was definitely ‘less is more,'" says Kaul.

2015 BMW M4 Convertible debuts: drop-top fun priced from $73,425

The 2015 BMW M4 Convertible made its official debut at the New York auto show yesterday. While the details of the high-octane hardtop didn't exactly catch us off-guard (see our full breakdown here), we now know how much it'll cost to feel the wind in your hair as you launch from 0-60 mph in 4.4 seconds: $73,425, to start. Complete pricing will be available closer to the M4 Convertible's sale date, which is “late summer” 2014, according to BMW.