On Mon, 19 Dec 2011 11:55:54 -0000
"Recliner" wrote:
You're assuming that it overheated, rather than my guess that the
battery was running low. I presume that they run the engine for optimum
economy, rather than for max power.

I shouldn't make any difference. Once the battery is flat it runs off the
engine just like every hybrid car ever built.

B2003