Transportation

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The road to electric vehicles with lower sticker prices than gas cars – battery costs explained

Electric vehicle sales have grown exponentially in recent years, accompanied by dropping prices. However, adoption of EVs remains limited by their higher sticker price relative to comparable gas vehicles, even though overall cost of ownership for EVs is lower. Venkat Viswanathan, Carnegie Mellon University; Alexander Bills, Carnegie Mellon University, and Shashank Sripad, Carnegie Mellon University […]

July 27th

Renewable Roundup: Hydrogen fuel cells verses batteries in Australia

Despite the political hooraw about renewables in Australia, the people and the private sector are charging [sic] ahead. One can argue about batteries or fuel cells for vehicles of various sorts, or one can treat them as complementary technologies, with different strengths for different applications. (As also for Renewable Natural Gas [sic] from landfills and such.) We also […]

June 21st

Solar roadways fail despite big investments

When experts first proposed the concept of solar roadways, it seemed like a great idea. With access to so much existing infrastructure, adding solar panels to roads appeared like an easy solution. Photovoltaic roadways garnered interest as an advanced way to harvest energy off of impermeable surfaces. By Emily Folk The solar energy industry has […]

June 15th

How high is the carbon footprint of auto manufacturing?

When measuring the carbon footprint of a standard vehicle, fuel consumption is usually the first thing to come to mind. After all, for the standard gas-powered car, experts estimate that nearly 90% of emissions during its lifecycle are due to usage. Manufacturing these machines also has a significant carbon footprint, even if it is more difficult to […]

June 3rd

After the Coronavirus pandemic, cities must reimagine public transit with safety, access, and racial justice in mind

Across the U.S., COVID-19 is hitting communities of color the hardest. Here in greater Boston, it’s no different. There are high rates of infection in Roxbury, Dorchester, Mattapan, and Hyde Park—the heart of Black Boston. In fact, Black people account for more than 40% of COVID-19 cases in Boston, but only 25% of the city’s population. Other […]

Renewable Roundup: EV school buses take the next step

School buses are not the thing during the Coronavirus disaster with the schools closed, but that will end. When we last looked, there were a few hundred electric school buses in tests here and there. We will soon have entire states going all in on them, 100%, Virginia first. By Mokurai Largest Electric School Bus […]

May 20th