Biogas is considered to be an important source of renewable energy, the production of which is on a continuous rise and which can be decisive for the elimination of fossil fuels by 2050. To reduce the negative impact of human actions on the environment, we must take measures urgent for...

The production of ethanol has increased in United States and Brazil in recent years, because of incentives to reduce gas consumption. In Brazil, there is a big program to use ethanol both as a single fuel or an additive to gas. In US, the incentive is to use ethanol combined to gas in proportion...

The sectors of transport and energy are at a turning point, which is generated by various factors such as climate change, population growth and its reliance on classic fuels , the necessity of access to modern energy services for the rural population. The solution would be widespread use of...

Sustainable energy strategies require decision-makers in government, industry, academia and civil society alike to make choices among tradeoffs. Within the transport sector alone, ethanol has been shown to be the dominant solution among viable, low carbon options to date, yet questions remain...

It presents an effective bio-butanol production with various acid hydrolysis treatment strategies H2SO4, HCI and H3PO4 (1, 2, 3, 4 and 5%) from Nannochloropsis gaditana grown under different light intensities (40, 80, 120 and 160μmolm-2 s-1). Microalgae were cultivated at 24 ± 2 with f/2...