On Sunday, 14 July 2019 11:00:05 UTC+1, Dave Plowman (News) wrote:
In article ,
tabbypurr wrote:

There's a big difference between specifying externals like emission
limits & specifying design-critical elements subject to rapid
technological development like batteries. The latter is an effective way
to stop progress & waste money.

Quite. Look at the way cordless tool batteries have increased in voltage
over the years.

They've changed voltage, changed amphour capacity, changed size, changed physical format & changed charging technology. Only fools want to have stopped that.


NT