Hydrogen-powered trucks, buses, and light-duty vehicles gaining traction due to increased government and industry support, says Pike Research.

Big Blue is working with customers and partners including the Tennessee Valley Authority to make facilities more energy-efficient and easier to operate.

Amazon and Microsoft strike a licensing deal, Google Earth comes to Android phones, and here's a chat site to avoid unless you care to view the anatomy of perfect strangers.

The Linac Coherent Light Source at Stanford University produces ultrafast pulses of X-rays powerful enough to make images of single molecules.

Sales of cell phones dipped slightly in 2009 overall, but not so smartphones, which surged for the year and exploded at year's end, says Gartner.

TextFlow is working with Box.net to put its Microsoft Word document comparison skills into practice on files people have stored on Box.

A scientist is forced to correct a previous assertion that emissions from park maintenance far outweighed the carbon benefits of the lawn itself.

Google is not nicotine, despite what competitors may think: you can live a Google-free life without too much difficulty.

While Twitter is clear about how celebrities can reclaim accounts in their name, average users have little they can do to grab inactive IDs. But there are steps you can take.

Lenovo's business customers say no to slates, indicating that the iPad may hit bumps in this market.

The U.S. gives its biggest backing yet to a renewable energy project, guaranteeing loans for a California development that uses the sun's heat to power a steam turbine.

About a third of the 93 million Americans who do not subscribe to broadband Internet service, likely aren't doing so because it's too expensive, recent FCC survey finds.

Under the terms of the deal, which covers both the Kindle and Amazon's use of Linux-based servers, the online retailer will pay Microsoft an undisclosed sum.

Start-up Bloom Energy is set to officially announce its "power plant in a box" this week. What is it and how does it work?

Probe shows sensitive data like health and finance records as well as Social Security numbers have been leaked to file-sharing networks at a range of public and private entities.

The program used to remotely turn on Pennsylvania students' laptop Webcams is no longer being sold, but there are other ways to remotely activate a machine's Webcam.

Adobe's director of product security and privacy, Brad Arkin, answers questions about Adobe's safety and security.

ZDNet uncovered the duplicity of a blogger at another tech Web site. But while the medium (and the pay) has changed, bunco artists are nothing new in media.

Aaron Patzer, who founded Mint.com and sold it to Intuit for $170 million, tells CNET that entrepreneurs should start their strategy with the most basic of items: the company name.

The best companies are those that know what they are...and what they aren't, and discard more opportunities than they pursue. Apple and Red Hat get this, while Cisco and Microsoft may not.