During the last year, the high petrol price has stimulated the production of biofuels from alternative sources (biomass). For effect of the crescent corn demand (used to produce bio ethanol) on the part of the North-American market, the price of … Continue reading
Since the first days spent in Villa de Leyva, we were curious about the frenetic activity of some masons who, in open countryside, were building a house of unusual aspect, perhaps not particularly nice, but above all burning it. Now … Continue reading
Left the colonial-styled streets of La Antigua, the road heads directly to the impressive Amatenango volcano, under which is placed the village of San Miguel Dueñas. Here, hidden by the green vegetation, we discover the “Estación Experimental Valhalla”, a project … Continue reading
Maya Pedal es una ONG nacida en 1997, con el objetivo de ayudar al desarrollo de las comunidades rurales en Guatemala, por medio de la utilización de las “bicimaquinas”. Con el termino bicimaquina se hace referencia a una tecnología intermedia, … Continue reading
Maya Pedal is an NGO been born in 1997, with the aim to help the development of the rural communities in Guatemala, through the utilization of the “bicimaquinas”. With the term bicimaquina (bicycle machine) they refer to an intermediate technology, … Continue reading
In the last days we have begun a new and stimulating phase of our travel: after many days of intense searches and some disappointment, we have finally found two volunteering projects. We realize indeed the dream to share in a … Continue reading
The fossil energetic sources (oil, gas, coal) are destined to get exhausted themselves: in the turn of 20, 50 or 100 years according to the exploitation that will be made, which has drastically increased during the last few years as … Continue reading
Concentrator Photovoltaic (CPV) technology uses a system of mirrors and lenses to focus sunlight more directly and intensely onto photovoltaic cells. The goal is to reduce cost-per-watt by using PV material more fully and more efficiently — and by using … Continue reading
In the field of world energy production, two main features seem to emerge interestingly: photovoltaic energy and biofuels. Wind energy maintains its good position. The high price of oil is leading to a large number of research and development activities … Continue reading
…a nomadic travel along the Americas is coming up on June 2, 2006
With the objective to produce bioethanol taking advantage of the cells metabolic activity, the Technical Research Centre of Finland (VTT) has developed methods for the efficient production of biofuels from residuals of agricultural cultivations. In addiction to bio-ethanol, taking advantage … Continue reading
