23 April 2011  This year’s SAE Congress, held on April 12-14 in
Detroit, continued to use the new format adopted last year, with
a three-day condensed schedule and 20-minute presentations. In
addition to the technical paper presentations, there were
numerous oral-only open forums, keynote talks and various “chats
with experts”. While the technical level of the conference was
high and the meeting rooms were full during several of the
engine and emission sessions, the exhibition accompanying the
Congress remained downsized, not yet recovered from the economic
recession.   The diesel exhaust emission control sessions
started with a keynote talk by Tim Johnson of Corning
[2011-01-0304] that reviewed changes affecting diesel exhaust
emissions control. The major regulatory challenges that will
drive engine development in the coming years include the LEV III
emission standards for light-duty vehicles being developed in
California (it is believed that these will be followed by US
federal Tier 3 standards) and CO2/fue