Mopar 349 Oil Filters on 2040-parts.com

Would you get into a cab that looks like this?

Nissan is hell-bent on taking over the world's taxicab fleets with its NV200 van. First, it invaded New York with a thoughtfully redesigned, nearly luxurious yellow cab, all but ready for its hard-earned medallion (but not quite). It hopes to fare better in London, seeking a place among the 22,000 black cabs that fill the city's streets.

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.

Wireless wonders: We browse some of the goods at CTIA convention

Now, by simply going to iTunes and downloading an app, you can turn your mobile phone into a full-on navigation device. Are dedicated nav devices going the way of the beeper/pager? We got a chance to see some of the devices and applications that premiered at the CTIA Wireless Convention in San Diego by attending the Mobile Focus press event on Wednesday.