Despite the overwhelming evidence that electric vehicle technology can deliver huge benefits, misinformation continues to muddy debate. Let's look at the facts.
How could a company like Volkswagen knowingly violate US air-pollution standards despite the senseless risks to which it was exposing its reputation? The case method can provide an answer.
Diesels typically have good fuel economy, but hot on the heels of the Volkswagen affair, Australia is set to tighten the rules for diesel car emissions - which will put a dent in engine performance.
In a spin. Underestimating your customers?
REUTERS/Neil Hall
Computers control much of an engine's performance these days. And it's surprisingly easy to tweak the software to bypass emissions controls, as done by Volkswagen.
It's likely that many people knew Volkswagen was cheating on emissions tests, including the engineers who built the 'defeat device'. But why did no-one at the car maker blow the whistle?