The Ultimate electric Bike weighs 40 lbs goes 30 mph for 20+ miles and costs $1k as kit and 1500 assembled. Existing ebikes are weight hogs.
calibike provides the real fast solution. I use the prototype bike for commuting 35 miles one way (Use train for 25 mi). Existing prototype easily beats local traffic both bus and cars in Irvine. Ultimate goal is calibike R3 which will be enclosed all weather weigh 40 lbs go 40 miles at 40 mph. 40^3 is the ultimate holy grail of ebikes.