Transportation: Vehicle miles driven per capita are dropping
“For decades, the country’s driving pattern moved in sync with the economy. Now, we’re driving less even though the economy has been expanding for more than a decade.” Source: America’s…
Energy: Lifecycle GHG emissions from a hybrid, plug in hybrid and an EV are about the same
This graphic, from the International Energy Agency, illustrates the lifetime CO2 equivalent emissions from different types of vehicles. “BEV” is a battery electric vehicle with a 400 km range, HEV…
Energy: In many countries, hybrid gas/EVs emit lower emissions than pure electric vehicles
An average battery electric and plug-in hybrid electric cars using electricity characterised by the current global average carbon intensity (518 grammes of carbon-dioxide equivalent per kilowatt-hour ) emit less GHGs…
Energy: Should you buy carbon offsets, an EV or solar PV to reduce your environmental impact? It depends.
Should you buy an EV? Should you install solar PV? Details matter a lot as to whether your decision leads to actual environmental improvements - or not. Should you buy…
Transportation: What percent of greenhouse gas emissions come from personal vehicles?
News reports imply that our cars are the largest contributor of greenhouse gases in the U.S. In fact, the "transportation" segment is the largest producer but this includes all transportation…
Transportation: What does the MPG rating mean when used on an Electric Vehicle?
The MPGe rating of EVs does not mean that much for a consumer. Indeed, switching from gas to an EV may, for may, merely outsource their CO2 emissions to the…