A study based on world environmental agency, EPEAT (Electronic Product Environmental Assessment Tool) believe that toshiba notebook most environmentally friendly, when compared with other similar products output of other vendors, such as acer notebook, apple notebook, etc..

Rating Organizations Green PC is based in America to grace the 5 (five) rating of gold (EPEAT versions tallest position) and 15 rating silver (second place) for toshiba notebook products as well positioned as a 4 rating notebooks bronze (third place) . Meanwhile, its nearest competitor, Apple notebooks, just get a 5 rating silver. While Acer notebooks do not have ratings at all.

Products PC with a gold rating means has passed the test on the 23 mandatory criteria in eight categories and at least get 75 percent of 28 optional criteria set by EPEAT.

Besides toshiba notebook, there are several other vendors to get ratings
gold. Like Dell notebook gets 2 ratings gold and 12 silver rating. While Fujitsu notebooks have 16 silver, 23 HP to get a silver rating, the Gateway notebook and picked up 28 bronze 48 Lenovo notebook seized silver and one bronze.

Unfortunately the results of this notebook rating does not mention any series that has received such ratings. One thing for sure is toshiba notebook reached the most gold rating.