Lean gasoline engines offer greater fuel economy than the common stoichiometric gasoline
engine, but the current three way catalyst (TWC) on stoichiometric engines is unable to …

Lean gasoline engines offer greater fuel economy than common stoichiometric gasoline
engines. However, excess oxygen prevents the use of the current three-way catalyst (TWC) …

A prototype three-way catalyst (TWC) with NOX storage component was evaluated for
ammonia (NH3) generation on a 2.0-liter BMW lean burn gasoline direct injection engine as …

ABSTRACT A commercial three-way catalyst (TWC) was evaluated for ammonia (NH₃)
generation on a 2.0-liter BMW lean burn gasoline direct injection engine as a component in …

Lean-burn SIDI engine technology offers improved fuel economy; however, the reduction of
NOx during lean-operation continues to be a major technical hurdle in the implementation of …

ABSTRACT Lean-burn Spark Ignition Direct Injection (SIDI) engines offer potential fuel
economy savings, however, lack of cost-effective lean NOx aftertreatment systems has …

Various engine platforms employ Selective Catalytic Reduction (SCR) technology to reduce
the tail pipe emissions of oxides of nitrogen (NOx) from diesel engines as part of an overall …

A three-way catalyst (TWC) and a TWC with a NO x storage component (NS-TWC) were
evaluated on a lean spark ignition (SI) engine platform to reduce the fuel consumption and …

As vehicle fuel economy requirements continue to increase it is becoming more challenging
and expensive to simultaneously improve fuel consumption and meet emissions regulations …

Diesel vehicles have significant advantages over their gasoline counterparts including a
more efficient engine, higher fuel economy, and lower emissions of HC, CO, and CO₂ …