Sentences with phrase «first generation biofuels»

(Note that the study did not look at first generation biofuels made from tropical crops like sugarcane or sweet sorghum which reduce emissions far more than corn ethanol; for sugarcane ethanol, the reduction is as large as that of cellulosic biofuels, earlier post.)

As if the sustainability issues are first generation biofuels weren't substantial enough already...

While much of the thinking on first generation biofuels of late hasn't been entirely encouraging, the US Department of Energy still has a soft spot for biofuels in general and the agency has just announced a National Biofuels Action Plan

With the reputation of first generation biofuels like corn ethanol darkly tarnished, the move is on to develop second - generation biofuels that

The focus is on so - called first generation biofuels, due to availability of state - of — the art reviews, but also considers further lines of development.

The focus is on so - called first generation biofuels while considering further lines of development.

(01/09/2013) Not long ago biofuels were seen as one of the major tools to combat climate change, but a large number of studies in recent years have shown that many first generation biofuels may have little climate benefit — and some are actually harmful — and are also linked to rising food prices.

«On average, the amount of water required to produce one liter of biofuel is the same amount that's required to produce food for a person for one day,» he said, adding that the problem with first generation biofuels was that they were competing with food production systems in terms of water and land.

But the problem is that most of the ethanol we have right now is when it is talked about it being a first generation biofuel; that is that ethanol fuel is coming from the fermentation of sugars from crops like corn.

Not exact matches

The first - generation biofuel, industrialized, ethanol, is produced from foodstuffs like maize, and thus poses great concern about a possible future shortage of food.

First - generation biofuels are a victim of their own success.

The company was founded in 2002 to develop second generation biofuels and is currently testing its first demonstration plant.

We will seek to avoid the following: • Bonds that finance projects with substantial sustainability concerns such as first - generation biofuels, waste - to - energy plants using toxic substances, or projects that prolong fossil fuel dependence such as refurbishment of coal power plants.

We need to avoid getting locked - in to «inferior» technologies, such as «first generation» biofuels, which just a few years ago were considered a slam - dunk carbon - neutral technology / energy source for which the relevant technologies were allegedly both available and scalable.

The report calls for greater debate about biofuels before ploughing headlong into a completely biofuel - powered society, although it focuses mainly on first generation fuels, unlike the Science papers.

3.2.1 First - generation biofuels include bioethanol (made from sugars and starch) and biodiesel (made from oilseeds).

«First generation» biofuels, which are derived from food crops, have attracted the most attention because of their relatively lower prices and advanced state of development.

3.2 «First generation» liquid biofuels include biodiesel and bioethanol and are derived from various food crops that vary by geographical location, for instance cereals, rapeseed and sugar cane.

There is also generally a better climate (rain and temperature) and soils for first - generation and possibly second - generation biofuels feedstocks than in North America or Europe.

:: Virgin biofuel demonstration to use first generation feedstock: Boeing, via:: GreenCarCongress

Rather, it will be a first - generation biofuel whose feedstock is generally understood to compete with either land and water use for food crops or carbon sinks such as rainforests.»

It seems like it's not quite what we're going to get for the first flight this month: «it will not be an algae or halophyte - derived alternative, second - generation biofuels that come from renewable and sustainable feedstocks.

Though the need to move beyond first - generation biofuels and establish codified sustainability criteria has gained wider acceptance over the past year, no one such standard exists and plenty of groups have offered their