TodayApril 16, 2022

Bosch’s DC-DC start-stop converter technology for fuel efficiency

Technology for fuel efficiency

Oliver Korasiak is an Engineering Manager at Robert Bosch. Korasiak talked to Lou Ann Hammond, CEO,, about Bosch’s start-stop dc-dc converter.

Autonomous engine stop-start systems have been in Europe for quite some time. With the high price of fuel in Europe, consumers can be 5-10 percent more fuel-efficient if they have start-stop on their vehicles.

Once the EPA starts using the start-stop technology in their calculations start-stop will become more advantageous to the car company. According to a January 2012, paper by the Office of Transportation and Air Quality Idle test requirements for vehicles equipped with stop-start systems will be addressed in future EPA guidance. The initial thought is that the EPA approval will be required and that each start-stop design will be evaluated on a case-by­-case basis (because each stop-start design is likely to have different operating characteristics and calibration parameters).

Korasiak shows us why the Bosch system is different from other systems.

Lou Ann Hammond

Lou Ann Hammond is the CEO of Carlist and Driving the Nation. She is the co-host of Real Wheels Washington Post carchat every Friday morning and is the Automotive, energy correspondent for The John Batchelor Show and a Contributor to Automotive Electronics magazine headquartered in Korea. Hammond is a founding member of the Women's World Car of the Year #WWCOTY, and board member of the Women in Automotive.