I too hope that the 30KWh pack can plug and play with 2011-2015 Leafs! This way you could buy a cheap 2011-2015 Leaf (sometimes near $10K online) and then upgrade the pack when the original pack gets too old for your liking.
Interesting the 30KWh pack weighs 46 pounds more than the 24KWh one and the EPA MPG is 112 combined instead of 114 combined for the 24KWh version of the car.
I wonder what the cost for a replacement pack will be if you turn in the old battery. officially about $5500 for the 24KWh version, ?? for the 30KWh version?
BTW the 2016 Volt has 53 miles EPA EV range and then switches to gas.
2016 Prius gets about 10% better fuel economy than the 3rd gen (2010-2015) Prius but then they also have an Eco model that gets even better MPG somehow but they haven't revealed that yet. Couldn't just be a switch from NiMH to Lithium battery packs, maybe an HCCI lean burn engine? Aerodynamics somehow?
Is the 107 mile range for the 2016 Leaf with the 30KWh pack with a FULL charge, or 80% or whatever charge?
In the future, better IGBT transistors (using graphite?) and maybe a 2-speed transmission will increase the efficiency a bit still.