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Study finds hybrid tugboat delivers significant reduction in criteria pollutant emissions compared to conventional version

Green Car Congress

NOVEMBER 19, 2010

The hybrid tug used in the study, the Carolyn Dorothy ( earlier post ), is powered by two 1,342 kW Cummins QSK50-M main engines and 317 kW Cummins QSM11-M auxiliary generators. It also has 126 soft gel lead acid batteries for power storage that are separated into two arrays with 63 batteries each.

Pollution

Pollution Emissions Hybrid Los Angeles

Continental Voltage Stabilization System with Maxwell Ultracapacitors to power start-stop in Cadillac ATS and CTS as standard

Green Car Congress

SEPTEMBER 15, 2015

Unlike batteries, which produce and store energy by means of a chemical reaction, ultracapacitors store energy in an electric field. The VSS system consists of two main parts, a control unit (PEU - Power Electric Unit), and the power storage unit (ESS - Energy Storage System).

Cadillac

Cadillac Standards Power Powered

EV Driven

Study finds hybrid tugboat delivers significant reduction in criteria pollutant emissions compared to conventional version

Continental Voltage Stabilization System with Maxwell Ultracapacitors to power start-stop in Cadillac ATS and CTS as standard

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