Don't forget that they only reached 40% efficiency at the equivalent of 326 suns. Now, that 4 square meters is significantly larger to reach that level of efficiency.
It would be interesting to see what the 1:1 efficiency is.
It's not just about the dollars - it's also about your time. In many urban locations with very heavy traffic (LA, DC, etc.) a hybrid can use the HOV lanes with only 1 person in the car. That has the potential to save 2 hours per day on your daily commute, which adds up fast.
Yes, one could carpool, but for many people the hours that they have to work do not facilitate joining a carpool.
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Don't forget that they only reached 40% efficiency at the equivalent of 326 suns. Now, that 4 square meters is significantly larger to reach that level of efficiency. It would be interesting to see what the 1:1 efficiency is.
It's not just about the dollars - it's also about your time. In many urban locations with very heavy traffic (LA, DC, etc.) a hybrid can use the HOV lanes with only 1 person in the car. That has the potential to save 2 hours per day on your daily commute, which adds up fast. Yes, one could carpool, but for many people the hours that they have to work do not facilitate joining a carpool.