A sustainable transportation ecosystem aims to cut emissions, reduce car dependence, and ensure everyone can access clean, affordable mobility. It links zero-emission vehicles, renewable energy, smart grids, and multimodal networks like public transit, shared mobility, and micromobility. Circular manufacturing, battery recycling, and resilient infrastructure help lower waste and resource use. Community engagement and inclusive design […]
Tag: renewable energy
Acid-Treated Wastewater Powers Longer-Life, Low-Cost Hydrogen
Princeton researchers made green hydrogen cheaper and more sustainable by using treated wastewater instead of expensive ultrapure water in electrolysis. Adding a small amount of sulfuric acid prevents calcium and magnesium ions from clogging the proton exchange membrane, extending electrolyzer life from 8 hours to over 300 hours. This simple fix cuts water treatment costs […]
