Japanese firm believes it could make a solid-state battery with a range of 745 miles that charges in 10 minutes

  • Ultimately depends on the car and the engineering. You’ll note that I am speaking in favor of safety. Nonetheless I didn’t come here to argue about individual car specs, I came here to point out that getting up to 700 miles of range is a huge benefit, and that many parts of the US and many people in the US need cars with larger ranges than 300 mi.

    Yes some cars dont lose very much range in the winter, some lose as much as 30% from real testing. There’s no magic generalization here, I used 40% as a safety factor.

      • Yes some cars dont lose very much range in the winter, some lose as much as 30% from real testing. There’s no magic generalization here, I used 40% as a safety factor.

        • Safety factor based on what though? There is nothing to support that most cars would lose 40% of their range, but you added 10% to real world data and called it a “safety factor” to try to legitimize what you said.

          • Yes that’s… what a safety factor is. You add a margin on the worst case scenario to cover what you didn’t foresee. When discussing something online, especially off the cuff, adding in safety factors especially when it’s something you’re biased towards is just good practice.

            For example, things that add into that safety factor are things you’d want to include when doing the same discussion on ICE cars, where the HVAC can impact fuel economy substantially. Something that isn’t included in the analysis from above.