Monthly Archives: July 2011

Chinese Electric Bus Fire

tl;dr: Scary pics. Looks like an EV bus caught on fire in Shanghai yesterday – specifically, a hybrid ultracapacitor/Li-ion bus. Thankfully no one appears to be hurt, but doubtless this is going to call into question the safety of the … Continue reading

Posted in Current events | 1 Comment

Aspen Aerogels S-1 Analysis

tl;dr: Good company; tough road in the rear-view mirror. Aspen Aerogels filed for an IPO last week, pitching itself as an energy efficiency company. Aspen makes insulation, but a particularly high-performing kind of insulation, being a nanoporous silica material that’s … Continue reading

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Posted in Materials, Numbers | Leave a comment