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

GM delays innovative new diesel truck engine

General Motors' deteriorating financial situation has caused the company to delay one of the most advanced engines that it has ever designed, a 4.5-liter diesel for light-duty trucks. "We have to make tough decisions right now," GM Powertrain spokeswoman Susan Garavaglia said. Truck enthusiasts were eagerly awaiting the engine, which would have started production next fall at GM's plant in Tonawanda, N.Y.

Concept Car of the Week: Nissan NX-21 (1983)

In the early 1980s, with the new millennium still seemingly an age away, Nissan Design America was tasked with imagining the family car of the future, while giving potential buyers a preview of the forthcoming N13 NX and EXA models. The resulting concept would be shown at the Tokyo motor show in 1983. Given confidence by the increasing success and expanding global presence of Japanese cars, including the previous generation N12 NX, Nissan's designers, led by Tom Semple, decided that the NX-21 (for 21st century) was the answer.

Fuel discount proposed for rural areas

MOTORISTS in exceptionally rural areas could see their fuel bills cut by up to 5p a litre under proposals aimed at easing the burden on the UK's remotest families. The UK Government has asked the European Commission to consider seven new regions across Scotland and in a part of north-east England. Chief Treasury Secretary Danny Alexander, a Highlands MP, said: "High fuel prices in areas where cars are a necessity, not a luxury, is a major issue in rural communities across the UK.