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Biogenic waste methane emissions and methane optimization for bioelectricity in Nigeria

Suberu, Mohammed Yekini; Bashir, Nouruddeen; Mustafa, … - In: Renewable and Sustainable Energy Reviews 25 (2013) C, pp. 643-654

tends to provide a theoretical estimate of methane emissions from both livestock manure in Nigeria and municipal solid waste … Organization (FAO) was used to estimate the methane emissions from animal residues using a mathematical approach developed by the … Intergovernmental Panel on Climate Change (IPCC). Emissions of methane from solid wastes were also estimated based on the 2011 cities …

Persistent link: https://www.econbiz.de/10011190457

Research and development of natural-gas fueled engines in Iran

Kakaee, Amir-Hasan; Paykani, Amin - In: Renewable and Sustainable Energy Reviews 26 (2013) C, pp. 805-821

As global energy demand rises, natural gas (NG) plays a pivotal role in energy supply. Natural gas is the cleanest fossil fuel and it has high energy conversion efficiencies for power generation. Natural gas has been extensively investigated for use in spark-ignition (SI) and...

Persistent link: https://www.econbiz.de/10011190533

Experimental assessment of pre-turbo aftertreatment configurations in a single stage turbocharged diesel engine. Part 1: Steady-state operation

Luján, José Manuel; Bermúdez, Vicente; Piqueras, Pedro; … - In: Energy 80 (2015) C, pp. 599-613

Diesel oxidation catalysts and diesel particulate filters are standard aftertreatment systems in Diesel engines which are traditionally placed downstream of the turbine. However, pre-turbo aftertreatment configurations are being approached as a way to improve the aftertreatment performance in...

Persistent link: https://www.econbiz.de/10011190864

The effects of early inlet valve closing and cylinder disablement on fuel economy and emissions of a direct injection diesel engine

Zammit, J.P.; McGhee, M.J.; Shayler, P.J.; Law, T.; Pegg, I. - In: Energy 79 (2015) C, pp. 100-110

The influence of EIVC (early inlet valve closure) on emissions, fuel economy and exhaust gas temperature of a ….7:1. The effects on emissions were significant only for EIVC settings at least 40 CA degrees earlier than the production … emissions were reduced but CO (carbon monoxide) and HC (hydrocarbon) increased unless fuel rail pressure was reduced. With …

Persistent link: https://www.econbiz.de/10011190882

Experimental assessment of a pre-turbo aftertreatment configuration in a single stage turbocharged diesel engine. Part 2: Transient operation

Luján, José Manuel; Serrano, José Ramón; Piqueras, Pedro - In: Energy 80 (2015) C, pp. 614-627

This paper corresponds to the second part of a work devoted to analyse the impact of the pre-turbo aftertreatment configuration on the performance of a single stage turbocharged Diesel engine. This second part focuses on the analysis of the engine response under transient operating conditions....

Persistent link: https://www.econbiz.de/10011190900

Combustion and emissions of compression ignition in a direct injection diesel engine fueled with pentanol

Li, Li; Wang, Jianxin; Wang, Zhi; Liu, Haoye - In: Energy 80 (2015) C, pp. 575-581

presented. The emissions, combustion characteristics and thermal efficiency for pentanol and diesel fuel were obtained under the … same operating conditions. Results show that NOx and soot emissions decrease significantly for pentanol with comparable …

Persistent link: https://www.econbiz.de/10011190904

Effect of double injection on combustion, performance and emissions of Jatropha water emulsion fueled direct-injection diesel engine

Nguyen, Kim-Bao; Dan, Tomohisa; Asano, Ichiro - In: Energy 80 (2015) C, pp. 746-755

as in-cylinder temperature, exhaust gas temperature, brake thermal efficiency; and emissions of CO (carbon monoxide), CO2 … thermal efficiency compared with those of the Light oil. A large second injection amount reduced NOx emissions up to 48%, and … drastically reduced HC emissions at higher loads of the engine. …

Persistent link: https://www.econbiz.de/10011190925

Killing two birds with one stone: US and EU biofuel programmes

Bourgeon, Jean Marc; Treguer, David - Département Sciences Sociales, Agriculture et … - 2010

The United States and the European Union have been implementing sizeable biofuel support programmes since the beginning of the decade. Supporting the biofuel industry raises the price of the agricultural feedstock, hence increases the farmer revenue, and reduces the need for direct income...

Persistent link: https://www.econbiz.de/10011141963

India's energy system transition - Survival of the greenest

Reddy, B. Sudhakara - Indira Gandhi Institute of Development Research (IGIDR) - 2014

The transition to a clean and green energy system is an economic and social transformation that is exciting as well as challenging. The world today faces a formidable challenge in transforming its economy from being driven primarily by fossil fuels, which are non-renewable and a major source of...

Persistent link: https://www.econbiz.de/10011085024

Growth, Distributions, and the Environment. A Stock-Flow Consistent Framework for Policy Analysis

Naqvi, Asjad - WWWforEurope - 2014

production, energy, and emissions in a demand-driven framework. The model introduces three innovations in modeling the production … across the two sectors. Second, energy supply is generated from two different sources; a non-renewable input dependent high-emissions … energy and a renewable zero-emissions energy. Third, the monetary economy is integrated with the environment through two …

Persistent link: https://www.econbiz.de/10011085408