Replacing expensive and rare platinum with metal–nitrogen–carbon catalysts in proton exchange membrane fuel cells is limited by their lower activity and stability for oxygen reduction reactions.
In summary, the gases in the air, especially oxygen, nitrogen, and carbon dioxide, are essential for life on Earth. They are important for processes like respiration, metabolism, and photosynthesis, ...
It is Wednesday, which means it is once again time for the weekly fuel price update in Malaysia, and the ministry of finance has announced the retail prices of fuels for the coming week of ...
Fuel prices have increased, leading to scarcity in major filling stations in Lagos, which has led to transport price increase for passengers plying the roads. As of the time of this report, ...
South Africans need to be in the know if we want to create a prosperous future. News24 has kept the country informed for 25 years, and we're about to enter a new chapter of fearless journalism. Join ...
Petrol pumps at a fuel filling station. Picture: Zunaid Ismael/Eyewitness News JOHANNESBURG - Motorists are set to save a few rands at the petrol pumps in September, following the latest fuel ...