Results 101 to 110 of about 865,596 (264)

The energy dilemma and its impact on air transportation [PDF]

open access: yes
The dimensions of the energy situation are discussed in relation to air travel. Energy conservation, fuel consumption, and combustion efficiency are examined, as well as the proposal for subsonic aircraft using hydrogen ...
Cribbins, P. D.   +2 more
core   +1 more source

Walmart\u27s Sustainability Journey: Elizabeth Fretheim and the Search for Sustainable Trucking [PDF]

open access: yes, 2014
In early 2014 Elizabeth Fretheim, Director, Business Strategy and Sustainability for Logistics with Walmart, was reviewing with other members of the transportation team data on the fuel efficiency of their private fleet, which included over 6,000 trucks ...
Hyatt, David G.
core   +1 more source

ELVO-Based Autonomous Satellite Collision Avoidance with Multiple Debris

open access: yesAerospace
The frequent occurrence of space debris collision incidents has made research on autonomous satellite avoidance necessary. Against this backdrop, the paper presents a short-term autonomous space debris avoidance algorithm based on the Equivalent Linear ...
Ziyao Li, Hongchao Li, Chanying Li
doaj   +1 more source

Raising automotive fuel efficiency [PDF]

open access: yes
The Obama administration recently moved up the schedule for achieving the fuel efficiency standards set forth by Congress in the 2007 Energy Independence and Security Act. The deadline for meeting these standards is now vehicle model year 2016 instead of
Taft Foster, Thomas H. Klier
core  

Effect of broad properties fuel on injector performance in a reverse flow combustor [PDF]

open access: yes
The effect of fuel type on the performance of various fuel injectors was investigated in a reverse flow combustor. Combustor performance and emissions are documented for simplex pressure atomizing, spill flow, and airblast fuel injectors using a broad ...
Norgren, C. T., Raddlebaugh, S. M.
core   +1 more source

The Effects of Transport Regulation on the Oil Market: Does Market Power Matter? [PDF]

open access: yes
Popular instruments to regulate consumption of oil in the transport sector include fuel taxes, biofuel requirements, and fuel efficiency. Their impacts on oil consumption and price vary. One important factor is the market setting.
Einar Rosendahl, Knut, Kverndokk, Snorre
core  

Apparatus for improving the fuel efficiency of a gas turbine engine [PDF]

open access: yes, 1983
An energy recovery system is provided for an aircraft gas turbine engine of the type in which some of the pneumatic energy developed by the engine is made available to support systems such as an environmental control system.
Coffinberry, G. A.
core   +1 more source

Efficiency Evaluation of Using for Multilink Trucks

open access: yesМеханика машин, механизмов и материалов, 2011
The efficiency evaluation of using for multilink trucks on the basis of performance the traction and speed characteristics, fuel efficiency and profitability are considered in the paper.
M.S. Vysotsky , S.V. Kharytonchyk
doaj  

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