Sentences with phrase «grade fuel oil»

Two ships that service the U.S. Antarctic research program are likely to fall victim to an expected ban on the heavy - grade fuel oil they use.

Changing World Technologies «thick, tarry fuel resembles boiler - grade fuel oil.

Not exact matches

The study, published in the current issue of the journal Nature Communications, could enable scientists to use the enzyme in a plant to make large amounts of fuel - grade oil, according to Dr. Tim Devarenne, AgriLife Research biochemist in College Station and lead scientist on the team.

Solazyme can make lots of oil from its stressed algae grown in the dark and fed industrial - grade sugar, but the source of that sugar makes the ultimate fuels less sustainable.

31 to 23 mpg is a 26 % drop in fuel economy - that's way too big a difference to pin down on using a different grade of oil.

The engine features Fuel Saver cylinder deactivation technology, cooled exhaust gas recirculation, variable valve timing, a high - volume oil cooler, oil jets for piston cooling, and aircraft - grade stainless steel gaskets and fasteners for improved durability at high temperatures.

None of these approaches has been completely successful because they are all being compared to the cheapest, most easily processed, and most energy dense liquid fuel known in the history of mankind — high - grade crude oil.

At present, ships run almost entirely on fossil fuels, generally the dirtiest grades of oil, and burn them inefficiently to boot.

Even if the entire global fleet of planes is fueled by non food - grade coconut and babassu oil - as one engine was for a much publicized crew - only Virgin flight in 2008 - the industry would have to contract a lot of farmers to grow a lot of babassu on a lot of land that we just might want to keep for food crops.

Consider that we start to use lower - grades of oil and other fossil fuels that require greater investment in energy to extract and process the fuel (for example, tar sands and oil shale).

We are thus at the same or lower significance level of 0.25 % because we may be accelerating AGW by this decision to use lower grades of fossil fuel to produce the equivalent amount of crude oil.