Search results
Results From The WOW.Com Content Network
The use of wood as a fuel source for heating is much older than civilization and is assumed to have been used by Neanderthals. Today, burning of wood is the largest use of energy derived from a solid fuel biomass. Wood fuel can be used for cooking and heating, and occasionally for fueling steam engines and steam turbines that generate electricity.
Solid fuels have been used throughout human history to create fire [2] and solid fuel is still in widespread use throughout the world in the present day. [3] [4] Solid fuel from biomass is regarded as a renewable energy source which can contribute to climate change mitigation efforts. Solid fuel from fossil fuels (i.e. coal) is not a renewable ...
The resulting image is a negative print of the hand, and is sometimes described as a "stencil" in Australian archaeology. [ 10 ] Miniature rock art of the stencilled variety at a rock shelter known as Yilbilinji, in the Limmen National Park in the Northern Territory , is one of only three known examples of such art.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.
"Clean fuel" is defined by the emission rate targets and specific fuel recommendations (i.e. against unprocessed coal and kerosene) included in the normative guidance WHO guidelines for indoor air quality. [4] [5] There remain some 2.8 billion people who rely on unclean, polluting fuels and technologies for cooking.
AOL latest headlines, entertainment, sports, articles for business, health and world news.
Upgrade to a faster, more secure version of a supported browser. It's free and it only takes a few moments: