Results 61 to 70 of about 172,681 (317)

Exploring the Governance–Disclosure Nexus: Board Structures and ESG Disclosures in South Africa

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This study examines how governance structures such as board composition and board functions influence environmental, social and governance (ESG) reporting among listed South African firms. This study examines 90 public listed companies on the Johannesburg Stock Exchange between 2012 and 2022.
Henriette Elsabe Scholtz   +1 more
wiley   +1 more source

Appropriation of bio-diesel blends in diesel engine [PDF]

open access: yesCurrent World Environment, 2008
Use of vegetable oils (Jatropa oil) in diesel engines results increased in engine performance to take advantage of a global trend toward alternatives to fossil fuels, this work is focused on appropriation of the performance characteristics of a single cylinder diesel engine fuelled with conventional fuel and biofuels under steady conditions.
M. Vivekanandan   +4 more
openaire   +1 more source

NJDEP Findings and Action Plan for Diesel Powered School Buses

open access: yes, 2008
This is the a summary of findings and an action plan relating to the results of a study mandated by the Diesel Retrofit Law (P.L. 2005, c.219). This law was intended to reduce fine particle emissions from diesel mobile sources in New Jersey.

core   +1 more source

The biological effects of subacute inhalation of diesel exhaust following addition of cerium oxide nanoparticles in atherosclerosis-prone mice [PDF]

open access: yes, 2012
Background: Ceriumoxide(CeO2) nano particles improve the burning efficiency of fuel,however,little is known about health impacts of altered emissions from the vehicles.Methods: Atherosclerosis-prone apolipoprotein Eknockout (ApoE/) mice were exposed by ...
Boere, A. John F.   +7 more
core   +1 more source

The Impact of Sustainability Orientation and Sustainability Challenges in SME Responses to Institutional Support

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT SMEs receive increasing institutional support to embed sustainability, yet they vary widely in their ability to translate such support into practice. This study addresses this gap by examining the internal cognitive and strategic mechanism (sustainability orientation) through which managers interpret institutional support and the contextual ...
Michael Zisuh Ngoasong   +3 more
wiley   +1 more source

Simulation and optimization of the casting process for a new commercial Al-4Cu-0.3Mg-0.25Mn-0.05Ag alloy cylinder head

open access: yesJournal of Materials Research and Technology
The cylinder head have a complex internal structure and significant variation in wall thickness. Consequently, the corresponding casting process poses challenges in design.
Fei Li   +5 more
doaj   +1 more source

Diesel Engine Valve Clearance Detection Using Acoustic Emission

open access: yes, 2010
This paper investigated, using experimental method, the suitability of acoustic emission (AE) technique for the condition monitoring of diesel engine valve faults.
Gu, Fengshou   +7 more
core   +1 more source

Shaping Energy Transitions: Sectoral Demand, Climate Risk Exposure, and Renewable Pathways in Sub‐Saharan Africa

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Energy is a fundamental driver of economic growth, shaping productivity, industrialization, and long‐term economic resilience. In sub‐Saharan Africa (SSA), where energy access remains uneven and infrastructure is underdeveloped, understanding sector‐specific energy demand is essential for designing sustainable energy strategies.
Michael Appiah   +3 more
wiley   +1 more source

A Novel Modular Multi-Unit Cell Permanent Magnet Thrust Bearing with Bionic Design and Load-Carrying Capacity Analysis

open access: yesApplied Sciences
Permanent magnet thrust bearings have garnered significant attention due to their high rotational speeds, low noise levels, and excellent vibration-damping performance.
Xiangdong Yu   +6 more
doaj   +1 more source

The changes of burning efficiency emission and power output of a diesel engine fueled by bioethanol – biodiesel-diesel oil mixtures

open access: yes, 2006
The environmental pollution and the decrease of the oil based fuels are the greatest problems of the automotive-industry at the start of the 21st century.
Zöldy, Máté
core  

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