I like my 2000 Insight very much. It easily gets 10-15 mpg more than our second generation Prius does.  Even if it doesn't have a "stealth" operation mode in pure electric.  I can depend on its platform being durable (non-rustable) and open to future possible conversion to full EV.

The 2nd generation Insight vehicle shown in the photo with this posting strongly resembles a Prius (or stretched 3-door Insight) body style which is very aerodynamic and practical for many uses.

Any of these vehicles would be great options to reduce carbon footprints.  But today once again I've biked to work.  Sustainability is much more feasible than some would admit!

I would be surprised if this new insight utilizes as much advanced lightweight body materials if it is coming to market at $18.5k , that is likely to keep its mpg down somewhere in the upper 40s.  I really believe hybrids ought to be able to yield mpg in the 60s as this technology continues to mature, if all engineering prowess is brought to bear on the challenge.