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

SEMA releases guide to registering custom cars

For the first time in five years, SEMA released its updated 50-state guide to help street-rod, custom-kit and replica-car owners register them. Known as the Tag and Title Toolbox, SEMA's updated database has the administrative forms and proper terms needed when working with each state's motor-vehicle department. The paperwork for each state is compiled and organized, with hobby-related words highlighted for quick reference.

New Citroen DS3 Cabrio costs from £15,045

Citroen has revealed the new DS3 Cabrio will cost from £15,045 and come in three trim specs - DSign, DStyle & DSport. The Citroen DS3 is already one of our favourite cars, and Citroen has made sure the DS3 Cabrio still looks good with the roof up – and kept costs in check – by using a similar ‘landaulette’ style roof to the Fiat 500C, where the cabrio but is more like a long, canvas sunroof that site on the boot when open. The new DS3 Cabrio will come in Citroen’s main DS3 trim levels - DSign, DStyle & DSport – with the DS3 VTi 82 Cabrio DSign costing £15.045, the DStyle VTi 120 Cabrio £17,425 and the DSport THP 155 Cabrio £19,675.

Driven: Ford Mondeo wagon

But the design of this Mondeo is interesting because of this, not despite this. The core challenge for the Ford design team was how to balance delivering a distinctively engaging design with being acceptable to as much as possible of the broad target profile of potential buyer. This is perhaps the biggest unspoken challenge for today's vehicle designer.