Increases bigger than healthcare, payroll, rent and equipment.

Vendor claims to meet Energy Star 4.0 requirements with new PC line.

Companies not monitoring energy efficiency.

Patented technology to create smaller and lighter notebook adapters.

Dutch researcher predicts seismic shift in next-gen power networks.

'Average CPU Power' aims to allow better data centre planning.

Penn State researchers use naturally occurring bacteria.

Money better spent on educating users, analyst firm warns.

Battery capacity has proven to be a serious barrier to true mobile computing. Tim Dean looks at how the technology is evolving.

Fuel cell power technology seems to hold great promise. We ask what fuel cells would be like to live with.

Company vows to offset all emissions by the end of the year.

Technology in pole position to power next-gen cars.

Technology in pole position to power next-gen cars.

Print your own power station.

A solar charger for your mobile? Now that's smarts.

Tools available to end oil dependence.

Impressive and free antivirus and antispyware package

Toshiba’s resident portable computer visionary speaks about hardware design, Vista, and the future of notebook tech.

Ideal for a bedroom or kitchen, but it lacks the quality for streaming a music library.

Technical difficulties in breaking the law of energy conservation.