2013 Jeep Grand Cherokee Owner Manual 5/pc.set + Dvd & Olive Sporty Denim Case, on 2040-parts.com

Porsche Battery – a mere £1200

The rather expensive Porsche Lithium Ion Battery Car batteries have been roughly the same shape and size – and utilised basically the same lead-acid technology – for years. They’ve got better, as you no longer need to top them up with distilled water at regular intervals (I’m showing my age now), and they are less prone to going flat. But that probably has more to do with alternators replacing dynamos than the batteries themselves.

Design For the Real China contest seeks innovative solutions to everyday issues

The ‘Design for the Real China' contest has launched, challenging designers across all disciplines to develop innovative solutions to everyday problems that arise in China. Delivering a brief of ‘Show us a solution to a China-located problem or opportunity you have identified', the competition organizers want to see entries that address localized problems or opportunities. Participants have to submit a short video explaining both the problem they've identified and how they'll solve it.

GM, Ford and Chrysler sales advance on crossover, small-car demand

General Motors, Ford and Chrysler posted higher July sales, helped by demand for crossovers as well as small, fuel-efficient vehicles. GM said today its sales rose 8 percent last month from a year ago, with passenger car demand rising 8 percent and crossover sales increasing 20 percent. At Ford, sales rose 6 percent, with car demand advancing 3 percent and light truck sales up 12 percent.