Results 71 to 80 of about 891,715 (408)

Friction and Wear Behavior of Carburized Steels Against Ceramic Balls Under Starved Lubrication

open access: yesLubricants
Starved lubrication poses a critical challenge to hybrid ceramic bearings operating under severe conditions. This study investigates the tribological behavior of carburized 20CrMo steel sliding against Al2O3 ceramic balls and GCr15 steel balls under dry ...
Xu Liu   +5 more
doaj   +1 more source

Modeling, Analysis, and Experimental Testing of a Selective Catalytic Reduction Dosing System

open access: yesIEEE Access, 2017
In recent years, selective catalytic reduction (SCR) system has been used in modern ship or vehicle diesel engines to reduce emissions. SCR technique is a key enabler for NOx reduction, which is critical for the performance and fuel economy of both ship ...
Shanwei Ma, Fei Meng
doaj   +1 more source

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

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  

Willingness to Pay for Brand Reputation: Lessons from the Volkswagen Diesel Emissions Scandal [PDF]

open access: yes, 2020
In this study, we use the announcement of the Volkswagen emissions scandalon September 18, 2015, as an exogenous shock to measure consumers’ willing-ness to pay (WTP) for brand reputation. Only Volkswagen diesel cars producedin2009-2015were announced as
Che, X., Katayama, H., Lee, P.
core  

Reduction of NOx and PM in Marine Diesel Engine Exhaust Gas using Microwave Plasma [PDF]

open access: yes, 2015
Abatement of NOx and particulate matters (PM) of marine diesel exhaust gas using microwave (MW) non-thermal plasma is presented in this paper. NOx mainly consist of NO and less concentration of NO2 in a typical two stoke marine diesel engine and ...
M Abbod   +4 more
core   +1 more source

Simulating competition in the US bioeconomy to produce hard‐to‐electrify transportation fuels using limited biomass resources

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract This study presents a novel bioeconomy optimization framework, BiOpt, designed to address critical questions regarding the strategic use of limited US biomass resources for biofuel production. By integrating detailed techno‐economic analyses, life cycle assessments, and resource assessment data, BiOpt optimizes resource distributions across ...
Nicholas A. Carlson   +3 more
wiley   +1 more source

Alaska Fuel Price Projections 2010-2030 [PDF]

open access: yes, 2010
We generated Low, Medium, and High case fuel price projections for the years 2010-2030 for the following fuels: Incremental natural gas in Southcentral Alaska delivered to a utility-scale customer Incremental diesel delivered to a PCE community utility ...
Fay, Ginny, Saylor, Ben
core   +1 more source

National Environmental Policies and Corporate Green Innovation: The Mirroring Versus Substitution Hypotheses

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Drawing on comparative institutional theory, we study the nature and magnitude of the effects of national environmental policies on corporate green innovation in developed versus emerging markets. Using a sample of 1831 listed firms in 34 countries from 2002 to 2020, we find that national environmental policies increase corporate green ...
Ivan Miroshnychenko   +2 more
wiley   +1 more source

Three-Step Process for Efficient Solar Cells with Boron-Doped Passivated Contacts

open access: yesEnergies
Crystalline silicon (c-Si) solar cells with passivation stacks consisting of a polycrystalline silicon (poly-Si) layer and a thin interfacial silicon dioxide (SiO2) layer show high conversion efficiencies.
Saman Sharbaf Kalaghichi   +4 more
doaj   +1 more source

Communication of Business‐Nonprofit Collaborations and Environmental Legitimacy: Exploratory Insights From Italian Firms

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Collaborations with nonprofits can enhance firms' legitimacy, yet the relationship between their communication and corporate environmental legitimacy remains poorly understood. Furthermore, research lacks an analysis of the communication of business‐nonprofit collaborations through multiple actors' perspectives.
Andrea Rizzuni   +3 more
wiley   +1 more source

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