Title	Publication Date	Language	Citations
Renewable Power-to-Gas: A technological and economic review	2016/01/01	English	1,641
Bioethanol production from agricultural wastes: An overview	2012/01/01	English	954
Machine learning methods for solar radiation forecasting: A review	2017/05/01	English	868
A comprehensive review on the pyrolysis of lignocellulosic biomass	2018/12/01	English	847
Biogas: Developments and perspectives in Europe	2018/12/01	English	735
Determinants of CO2 emissions in the European Union: The role of renewable and non-renewable energy	2016/08/01	English	734
Biodiesel production from oleaginous microorganisms	2009/01/01	English	732
Current methods and advances in forecasting of wind power generation	2012/01/01	English	666
Impact of renewable energy consumption and financial development on CO2 emissions and economic growth in the MENA region: A panel vector autoregressive (PVAR) analysis	2019/08/01	English	635
Potential of lithium-ion batteries in renewable energy	2015/04/01	English	589
Day-ahead wind speed forecasting using f-ARIMA models	2009/05/01	English	554
A new analytical model for wind-turbine wakes	2014/10/01	English	554
Oscillating-water-column wave energy converters and air turbines: A review	2016/01/01	English	549
Hydrogen production from steam gasification of biomass: Influence of process parameters on hydrogen yield – A review	2014/06/01	English	535
An experimental investigation on the effect of Al2O3–H2O nanofluid on the efficiency of flat-plate solar collectors	2012/03/01	English	535
The dynamic relationship of renewable and nonrenewable energy consumption with carbon emission: A global study with the application of heterogeneous panel estimations	2019/04/01	English	516
Condition monitoring of wind turbines: Techniques and methods	2012/10/01	English	508
CO2 emissions, economic growth, renewable and non-renewable energy production and foreign trade in China	2019/02/01	English	498
Ground heat exchangers—A review of systems, models and applications	2007/12/01	English	496
Power and thrust measurements of marine current turbines under various hydrodynamic flow conditions in a cavitation tunnel and a towing tank	2007/03/01	English	486
Use of vegetable oils as I.C. engine fuels—A review	2004/04/01	English	476
Wind speed forecasting based on the hybrid ensemble empirical mode decomposition and GA-BP neural network method	2016/08/01	English	473
The dynamic impact of renewable energy and institutions on economic output and CO 2 emissions across regions	2017/10/01	English	473
Wind tunnel and numerical study of a small vertical axis wind turbine	2010/02/01	English	466
Numerical benchmarking study of a selection of wave energy converters	2012/05/01	English	465
Performance and emission evaluation of a diesel engine fueled with methyl esters of rubber seed oil	2005/10/01	English	442
Estimation of Environmental Kuznets Curve for CO2 emission: Role of renewable energy generation in India	2018/04/01	English	442
Placement of wind turbines using genetic algorithms	2005/02/01	English	440
Multi-criteria decision-making in the selection of a renewable energy project in spain: The Vikor method	2011/02/01	English	428
Support vector machines for wind speed prediction	2004/05/01	English	425