Results 91 to 100 of about 50,988 (251)
International Journal of Urban and Regional Research, EarlyView.Abstract Waste‐to‐biofuel (WTB) programs have gained popularity as a municipal circular economy and an emissions reduction strategy. The upgrading of biofuels to renewable natural gas (RNG) has drawn particular interest, as RNG can displace conventional fossil fuels in any existing natural gas end use and be delivered through existing pipeline ...
Taylor Davey
wiley +1 more source
Excursão à região colonial antiga do Rio Grande do Sul
Boletim Geográfico do Rio Grande do Sul, 2014 Versa sobre o reconhecimento geográfico advindo das observações feitas em campo e sobre a descrição da paisagem em diferentes áreas do estado.
Orlando Valverde
doaj
J@ti Undip: Jurnal Teknik Industri, 2013 Pergeseran konsumsi bahan bakar minyak ke bahan bakar berbasis gas, sebagai alternatif energi untuk sektor transportasi di Indonesia diperlukan. Salah satu renewable energy yang saat ini populer adalah biogas.
Srilarakasuri P Ardiagarini +2 more
doaj +1 more source
Fuel Prices and Ambient Air Pollution: A Study of Sydney*
Economic Record, EarlyView.This paper explores the short‐run influence of road transport fuel prices on ambient air pollution over the period 2004–2023 for the case of Sydney, Australia. Using daily data from nine air quality monitoring stations, we find negative effects of fuel prices on ambient concentrations of several key pollutants including ozone, nitrogen dioxide and ...
Paul J. Burke, Jian Li
wiley +1 more source
Unlocking clean gas with hydrogen: A combustion optimization study
Results in EngineeringCombining hydrogen with natural gas, a hydrocarbon fuel, is seen as a critical step towards reaching net-zero emissions and creating a cleaner environment. To tackle climate change, major organizations like the U.S.
M. Aravindan +9 more
doaj +1 more source
Hybrid Buses: Costs and Benefits [PDF]
, 2007 Key Facts:In 2005, more than 60 percent of the 9.7 billion transit passenger trips in the United States were provided by buses, approximately 84 percent of which are powered by diesel combustion engines.Diesel exhaust contains ozone precursors, benzene ...
core
Growth and Variation in Fallow Deer (Dama dama L.) From Two Contrasting Habitats in Southern Britain
Acta Zoologica, EarlyView.ABSTRACT We have compiled a unique data set on the age, sex, body weight and dimensions of over 500 European fallow deer from two contrasting areas of habitat in southern England: a high‐density managed parkland population and a lower‐density feral woodland one.
Adrian M. Lister, Norma G. Chapman
wiley +1 more source
International Journal of Sustainable EnergyA direct injection (DI) CNG engine was developed and evaluated under stoichiometric and lean burn conditions, emphasising high compression ratios (CRs).
Sridhar Sahoo +1 more
doaj +1 more source
Commercializing Alternative Fuels and Advanced Vehicle Technologies: The Government's Role [PDF]
, 2002 Alternative fuels and advanced vehicle technologies can reduce air pollution and protect public health, while also improving national security by reducing U.S. dependency on petroleum.
Aaron Windecker
core
Monodromy of Codimension-One Sub-Families of Universal Curves
, 2013 Suppose that g > 2, that n > 0 and that m > 0. In this paper we show that if E is an irreducible smooth variety which dominates a divisor D in M_{g,n}[m], the moduli space of n-pointed, smooth curves of genus g with a level m structure, then the closure ...
Hain, Richard
core +1 more source