Another source describes Alverene as being powered with a semi-diesel engine.

In 1911 a rival carrier had tried a semi-diesel engine which had proved to be successful.

The first production tractors were powered by a 40 hp semi-diesel engine which was a two stroke single-cylinder unit.

She was equipped with a four shaft Bolinder two cylinder semi-diesel engine with 560 horse power that allowed a top speed of eleven knots.

On 26 October 1912 the Anglo Belgian corporation was founded; the company was to manufacture the new semi-diesel engines.

The steam engines were replaced by a 75-horsepower, two-cylinder, semi-diesel engine and generating equipment manufactured by Fairbanks-Morse in 1922.

-Generating sets with compression-ignition internal combustion piston engines (diesel or semi-diesel engines):

Early oil engines were mostly semi-diesel engines and had to be started by heating the 'hot bulb'- part of the cylinder head - with a blowlamp.

The 1911 catalog showed the Gideon line of upright marine semi-diesel engines and boasted that it powered most of the fishing fleets in Denmark and Norway.

The steam engine was replaced in 1914 by a Swedish Bolinder four-cylinder hot bulb semi-diesel engine which is the largest and oldest of its kind still working in the world.

M21 and M22 were fitted with conventional triple-expansion steam engines, M24 was fitted with four-cylinder paraffin engines, and the remainder received Bolinder four-cylinder semi-diesel engines.

Hydraulic equipment and articles for use therein; Articles for use in compression-ignition internal combustion piston engines (diesel or semi-diesel engines); All the foregoing for use in the manufacture of road graders or road scrapers.