Workhorse Group Inc (NASDAQ:WKHS) shares are trading higher by 9.8% at $15.53 after a report suggested the company will file a legal challenge to the U.S. Postal Service's decision to award the delivery vehicle contract to Oshkosh.

Workhorse Group is a technology company. The company designs, develops, manufactures and sells high-performance, medium-duty trucks with powertrain components under the Workhorse chassis brand.

The company's products include trucks comprising powertrain and chassis. Its powertrain products include E-GEN and E-100.

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