GM is simulating tests to make sure the new lithium-ion batteries last 10 years, Posawatz said.
"We're further along, but we're still quite a ways from home," he said. "We're developing quite a knowledge base on all this stuff. Our confidence is growing."
SHOOT: Nice to know, but the real focus needs to be on walkable living and working arrangements, not alternative driving arrangements This is because resources are becoming scarcer, and human populations increasing. The solution isn't more cars, it's fewer cars, and also fewer people.