Yesterday, we wrote about the plant in California that turns sewage into hydrogen to fuel clean electric cars. Now the UK introduces a bus that needs the waste produced by five people in a year to fill its tank with biomethane gas, and drive 186 miles per tank. Humans are finding their way to the circular, no waste economy that nature excels at.
This bus is powered by your waste
More of Today's Solutions
Student Makers, a deeper dive: bringing free STEM to students on three contin...
BY THE OPTIMIST DAILY EDITORIAL TEAM This article kicks off The Optimist Daily's Local Changemakers 2026 series, spotlighting changemakers 30 and under. It was ...
Read MoreMeet Vivian Ho: the 17-year-old who built a supply network around dignity, no...
BY THE OPTIMIST DAILY EDITORIAL TEAM This article is part of The Optimist Daily's Local Changemakers 2026 series, spotlighting changemakers 30 and under. Most ...
Read MoreSperm-sorting tech identifies strongest swimmers to help couples conceive
In-vitro fertilization is certainly a potential avenue for couples who are having problems conceiving a child due to low-quality sperm. However, the unfortunate fact of the matter is that ...
Read MoreHow one Maine school is helping students heal in nature
BY THE OPTIMIST DAILY EDITORIAL TEAM At Morse High School in Bath, Maine, detention doesn’t always mean fluorescent lights and silent classrooms. Thanks to ...
Read More
