Renewable energy (RE) is the key element of sustainable, environmentally friendly, and cost-
effective electricity generation. An official report by International Energy Agency (IEA) states …

Abstracts Sewage sludge (mainly composed of excessive bio-sludge) is an inevitable by-
product of biological wastewater treatment process and contains various toxic substances …

The biomass 'waste-to-energy theory transforms low-value biomass within value-added
outputs which include high financial potential has drawn awareness from both academicians …

Increasing generation of municipal solid waste, heterogeneity of waste composition, and
complex processes of waste management and recovery have limited the performance of …

Anaerobic digestion (AD) could be considered as a mature technology and nowadays it can
still play a pivot role because of the urgent need to provide renewable energy sources and …

The shipping industry has reached a higher level of maturity in terms of its knowledge and
awareness of decarbonization challenges. Carbon-free or carbon-neutralized green fuel …

The unrestrained release of huge quantities of food waste (FW) has become a significant
concern because it causes intensive environmental pollution. However, FW is a proper …

Approximately one-fourth population across the world rely on traditional fuels (kerosene,
natural gas, biomass residue, firewood, coal, animal dung, etc.) for domestic use despite …

Dry digestion is a suitable technology for treating organic wastes with varying composition
such as the organic fraction of municipal solids waste. Yet, there is a need for further …

This review on current US municipal solid waste-to-energy trends highlighted regional
contrasts on technology adoption, unique challenges of each technology, commonly used …