Generate a headline describing the action in this sentence.
Mary inventing a new type of engine that runs on sunlight alone.
"Mary Invents Revolutionary Sunlight-Powered Engine"
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a headline describing the action in this sentence.

### Input:
Mary inventing a new type of engine that runs on sunlight alone.

### Output:
"Mary Invents Revolutionary Sunlight-Powered Engine"