Nissan Serena 2007 Rear Propeller Shaft Assembly [4032200] on 2040-parts.com

Cars of the future could be powered by seawater

Water from the sea could power cars of the future, if experiments currently being trialled by the US Navy prove to be successful. According to Jalopnik, the US Naval Research Laboratory is turning carbon dioxide from seawater into hydrogen, with the hope of fuelling its jets from alternative sources. Hydrogen cars ‘on sale next year’ Zero-emissions hydrogen fuel-cell cars on sale in 2015 – Hyundai If successful, researchers predict it’ll cost between $3 and $6 per gallon – that’s approximately 40p to 80p per litre.

Toyota Aqua

Lining up alongside Toyota's trio of concepts in Tokyo will be the Aqua, or Prius C as it will be known in some markets. The B-segment Aqua forms the smallest member of the Prius family and shares a little its relations' DNA. Its silhouette apes that of the larger Prius as far as its B-pillar, with a smooth transition from hood to screen, but continues to a more conventional, high tailgate to optimize cabin space.

Hyundai sees 10 percent mpg gain from its first direct-injection engine

Hyundai Motor Co. on Tuesday unveiled its first direct-injection gasoline engine, saying it delivers more power with a 10 percent improvement in fuel economy. The 2.4-liter engine, called the Theta II, will debut in the redesigned Sonata sedan, due in U.S.