MONTREAL—Air Canada plans to purchase 30 electric-hybrid aircraft currently being developed in Sweden by Heart Aerospace.

Fuel cells offer tremendous potential as a clean power source. The chemical energy of hydrogen and oxygen reacts with fuel cells and converts the energy to electricity. The decades-old technology is ideal for a wide variety of applications, including stationary power stations and many forms of transportation.

Boat manufactures around the world are ramping up production of electric watercraft ranging from pontoons to speedboats. They’re turning to batteries to produce emission-free products that deliver on range and speed.

DES MOINES, IA—Auto parts supplier Dee Zee plans to hire some 160 employees at its assembly plant here next year to make components for General Motors’ new electric vans.

PLYMOUTH, MI—Mahle Powertrain USA is building a $4 million dynamometer facility here for electric vehicles.

Overheating is one of the biggest challenges facing engineers developing new types of battery technology. Too much thermal activity can reduce performance, cause malfunctions and increase the risk of fires and other serious problems in electric vehicles.

NOVI, MI—Responding to unprecedented growth in battery manufacturing, ABB has developed an agile production process that aims to reduce bottlenecks.

GOTHENBURG, Sweden—Volvo Trucks has begun producing electric trucks at its Tuve assembly plant here.

Boat manufactures around the world are ramping up production of electric watercraft ranging from pontoons to speedboats. They’re turning to batteries to produce emission-free products that deliver on range and speed.

GHENT, Belgium—Volvo Trucks has opened its first battery assembly plant here.