As the global population and economy grow, so does the energy demand. Over-reliance on
non-renewable resources leads to depletion and price spikes, making renewable …

Solid waste generated from the leather industry is a major environmental challenge in
developing countries such as Bangladesh to achieve sustainability in the leather sector …

In this study, a highly active and reusable La 3+/ZnO-TiO 2 photocatalyst was prepared by
sol–gel method. The production of biodiesel from waste cooking oil by a two-step method. In …

The deterioration of fossil fuel supplies, combined with growing environmental concerns
about fossil fuel extraction and consumption, has prompted worldwide communities to focus …

Research on biodiesel production utilizing heterogeneous catalysts continued to be studied
as an effort to develop sustainable production and to improve the quality of biodiesel. The …

The entire world is witnessing climate change and its impact on the environment caused by
humans. Pollution and the reliance on ever depleting fossil fuels are the major sources. This …

Methanol has been considered as a promising alternative fuel for combustion engines.
However, it is quite challenging to use it directly in compressed ignition engines because of …

Food waste residues and discards from vegetables, fruits, bread, meat, and dairy products
are often discarded in landfills as waste. However, these wasted food residues can be …

Presently, the use of fossil fuels is not ecologically sustainable, which results in the need for
new alternative energies such as biodiesel. This work presents a review of the classification …

Biodiesel production is a promising approach to producing renewable liquid fuel and
disposing of waste cooking oil (WCO). While the high energy consumption during the …