In Australia: “Tesla Supercharging now more expensive than petrol refuelling”
Tesla’s “less than the cost of petrol” claim no longer cuts the mustard Source: Tesla Supercharging now more expensive than petrol refuelling
What is the most power efficient (least electricity use) programming language?
Can energy usage data tell us anything about the quality of our programming languages? Last year a team of six researchers in Portugal from three different universities decided to investigate…
AM radio getting killed off by electric vehicles?
Newer Tesla EVs and the BMW i3 do not provide AM radios. The Bolt EV does but there are reports that reception may be poor (they might be using an…
Why does a GM web page feature a Tesla charging port?
Why does a GM web site page feature a Tesla and Tesla charging cable? GM’s all-new modular platform and Ultium battery system will be the heartbeat of its all-electric future…
What does it mean to use no fossil fuels for electricity generation by 2035?
2035 is 15 years from today. Presidential candidate Joe Biden unveiled his plan to eliminate all carbon-based fuels for electricity generation. Most people have no idea how large the numbers…
Electric Vehicle Efficiency
According to the U.S. government: Energy efficient. EVs convert over 77% of the electrical energy from the grid to power at the wheels. Conventional gasoline vehicles only convert about 12%–30%…
Transportation: How EVs are more efficient than ICE vehicles – power on demand and regeneration
ICE vehicle engines, except in hybrids and PHEVs, run all the time. In an EV, you only consume power when you need power. This makes an EV ideal for city…
Climate: Eating vegetarian has little impact on your household carbon emissions
In spite of popular claims that eating vegetarian offers a dramatic reduction on your personal carbon emissions, the actual reduction is about 2%. Which means it is one of the…
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…