specific fuel consumption
21specific impulse — noun : the thrust produced per unit rate of consumption of the propellant usually specified in pounds of thrust per pound of propellant used per second and forming a measure of the efficiency of performance of a rocket engine * * * Rocketry. 1. a …
22Specific duty — Duty Du ty, n.; pl. {Duties}. [From {Due}.] 1. That which is due; payment. [Obs. as signifying a material thing.] [1913 Webster] When thou receivest money for thy labor or ware, thou receivest thy duty. Tyndale. [1913 Webster] 2. That which a… …
23Marine fuel management — (MFM) is a multi level approach to measuring, monitoring, and reporting fuel usage on a boat or ship, with the goals of reducing fuel usage, increasing operational efficiency, and improving fleet management oversight. MFM has grown in importance… …
24Flexible-fuel vehicle — For other types of vehicles, see Alternative fuel vehicle and Hybrid vehicle. The Ford Model T was the first commercial flex fuel vehicle. The engine was capable of running on gasoline or ethanol, or a mix of both. A flexible fuel vehicle (FFV)… …
25Hydrogen fuel enhancement — is the process of using a mixture of hydrogen and conventional hydrocarbon fuel in an internal combustion engine, typically in a car or truck, to improve fuel economy, power output, or both. While the term may be used to refer to different ways… …
26Diesel fuel — Diesel oil redirects here. Sometimes diesel oil is used to mean lubricating oil for diesel engines. Diesel fuel (  / …
27Methanol fuel — This article is about methanol used as a fuel. For other alcohols used as fuels, see Alcohol fuel. Methanol is an alternative fuel for internal combustion and other engines, either in combination with gasoline or directly ( neat ). It is used in… …
28Butanol fuel — Butanol may be used as a fuel in an internal combustion engine. Because its longer hydrocarbon chain causes it to be fairly non polar, it is more similar to gasoline than is ethanol. Butanol has been demonstrated to work in some vehicles designed …
29Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
30Fossil fuel — Coal, one of the fossil fuels. Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes… …
