An excellent article by Pete Harvey regarding flying the
Antares 23 at Uvalde WGC includes the following:

"One of the most surprising factors was the Lange total
energy system. In Texas, the thermals were fast bubbles of
strong lift - fast, but very small. With our high cruise speeds,
it was absolutely essential to pull immediately and positively
into the thermal and for this, the total energy was essential.
I have to say that the Antares has the best TE I have ever
flown in, with negligible ‘stick thermal’ even when converting
from 220kph to 100kph in a zoom climb. I don’t want to go
back to normal systems ever again!"

http://www.lange-
flugzeugbau.com/htm/english/news/news_2012_11_16.html

What kind of TE system does this refer to?

John Galloway