Grégoire Gentil and Alain Rossmann have devised a green twist. This summer the pair will begin selling a simplified Linux-based PC for $99 and a $12.95 monthly subscription charge. They say that the deal is better than it looks because the 15-watt PC can save up to $10 a month in electricity compared with a standard 200-watt PC.

Their company is Zonbu, and the Zonbu computer will be sold through its Web site, zonbu.com. The founders said that the PC had received the highest certification possible from the Green Electronics Council, a nonprofit group that has created a product classification standard known as Epeat (for Electronic Product Environmental Assessment Tool).

The computer is the size of a cigar box and uses a low-power Intel-compatible microprocessor from VIA Technologies of Taiwan. It comes with four gigabytes of flash memory instead of a disk drive, a spinning mechanical part that uses much of a PC’s power. It also lacks a fan, another big energy user.

The Zonbu PC also uses a Gentoo version of the Linux operating system and will come with a range of software applications like the Mozilla Firefox browser, Skype voice-over-Internet service, OpenOffice software suite and many games. An additional 25 gigabytes of free online storage is available, with more offered for purchase.