Results 21 to 30 of about 466,375 (308)

Renewable energy: Back the renewables boom [PDF]

open access: yesNature, 2014
Low-carbon technologies are getting better and cheaper each year, but continued public-policy support is needed to sustain progress, says Jessika E. Trancik.
openaire   +2 more sources

Engineering enhanced cellobiohydrolase activity

open access: yesNature Communications, 2018
Cellobiohydrolases (CBHs) are critical for natural and industrial biomass degradation but their structure–activity relationships are not fully understood.
Larry E. Taylor   +18 more
doaj   +1 more source

Progress in renewable energy

open access: yesEnvironment International, 2003
This paper provides an overview of some of the key technological and market developments for leading renewable energy technologies--wind, wave and tidal, photovoltaics (PV) and biomass energy. Market growth, innovation and policy are closely interrelated in the development of renewables and the key issues in each area are explored for each of the main ...
Gross, R, Leach, M, Bauen, A
openaire   +4 more sources

A New Reflected Target Optical Assessment System

open access: yesSolarPACES Conference Proceedings, 2023
NREL has completed stage 1 development of an indoor optical measurement tool for fully assembled heliostats and single facets. This tool began as an indoor version of NREL’s outdoor Non-Intrusive Optical (NIO) measurement technique [1].
Devon Kesseli   +3 more
doaj   +1 more source

Energy Efficiency and Renewables [PDF]

open access: yesEnergy & Environment, 2004
The debate between exponents of 'supply side' and 'demand side' approaches to dealing with environmental problems like climate change can sometimes become polarised. At one extreme it is sometimes claimed that the potential for energy efficiency and demands reductions is so large that we hardly need to worry about the supply side.
openaire   +2 more sources

Spillage Recovery Devices for High Temperature Air-Based Solar Thermal Receivers

open access: yesSolarPACES Conference Proceedings
This paper presents the development and implementation of a novel approach to spillage recovery devices (SRDs) for high-temperature air-based solar thermal receivers by Odqa Renewable Energy Technologies Ltd.
Augustin Wambersie   +15 more
doaj   +1 more source

Projected Benefits of Federal Energy Efficiency and Renewable Energy Programs: FY 2005 Budget Request

open access: yes, 2004
The Office of Energy Efficiency and Renewable Energy (EERE) of the U.S. Department of Energy (DOE) leads the Federal Government's efforts to provide reliable, affordable, and environmentally sound energy for America, through its 11 research, development,
Laboratory, National Renewable Energy
core   +1 more source

Upscaling and Testing of Air-Based Rotary Solar Thermal Receivers for Concentrated Solar Power Applications

open access: yesSolarPACES Conference Proceedings
Odqa Renewable Energy Technologies Ltd has successfully scaled its air-based rotary solar thermal receiver design from 10kW to 100kW.  A 10kW-scale air-based rotary solar thermal receiver was tested in Odqa’s in-house solar simulator facility in late ...
Pok-Wang Kwan   +15 more
doaj   +1 more source

High efficiency perovskite quantum dot solar cells with charge separating heterostructure

open access: yesNature Communications, 2019
Metal halide perovskites have wide tunability in both material and device structure. Here Zhao et al. fabricate heterojunctions of colloidal perovskite quantum dots with different composition using layer-by-layer deposition and demonstrate improved ...
Qian Zhao   +13 more
doaj   +1 more source

Expression and secretion of fungal endoglucanase II and chimeric cellobiohydrolase I in the oleaginous yeast Lipomyces starkeyi

open access: yesMicrobial Cell Factories, 2017
Background Lipomyces starkeyi is one of the leading lipid-producing microorganisms reported to date; its genetic transformation was only recently reported. Our aim is to engineer L.
Qi Xu   +10 more
doaj   +1 more source

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