Top 18 Engine types in United States
This curated ranking covers the 18 largest engine types in United States, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Electric motor, Diesel engine and Diesel fuel lead the list with a combined estimated audience of 40,229,701 people. Across all 18 entries the average audience size is 3,556,785, and the largest, Electric motor, reaches around 17,015,258 people in United States. Audience size is the estimated number of unique people in United States who actively engage with each engine type, derived from search demand signals. Rankings reflect search-behavior signals collected across United States and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Electric motor |
17,015,258 | 19.7% | Engine type | Cars & Mobility |
| 2 |  Diesel engine |
12,554,001 | 20.9% | Engine type | Cars & Mobility |
| 3 |  Diesel fuel |
10,660,442 | 22.6% | Engine type | Cars & Mobility |
| 4 |  Gasoline |
9,467,319 | 17.6% | Engine type | Cars & Mobility |
| 5 |  Biofuel |
7,496,725 | 36.2% | Engine type | Cars & Mobility |
| 6 |  Aircraft engine |
2,338,668 | 17.5% | Engine type | Cars & Mobility |
| 7 |  Inline-four engine |
2,215,994 | 19.5% | Engine type | Cars & Mobility |
| 8 |  Flexible-fuel vehicle |
508,622 | 16.9% | Engine type | Cars & Mobility |
| 9 |  Biodiesel |
443,359 | 25.9% | Engine type | Cars & Mobility |
| 10 |  Hemi engine |
275,634 | 47.1% | Engine type | Cars & Mobility |
| 11 |  Air-cooled engine |
266,856 | 20.6% | Engine type | Cars & Mobility |
| 12 |  Hydrogen fuel |
244,679 | 17.8% | Engine type | Cars & Mobility |
| 13 |  Gasoline direct injection |
215,951 | 10.1% | Engine type | Cars & Mobility |
| 14 |  Natural gas vehicle |
121,890 | 17.4% | Engine type | Cars & Mobility |
| 15 |  Hydrogen vehicle |
68,526 | 20.9% | Engine type | Cars & Mobility |
| 16 |  Flat engine |
60,070 | 3.5% | Engine type | Cars & Mobility |
| 17 |  Nitrous oxide engine |
58,886 | 94.7% | Engine type | Cars & Mobility |
| 18 |  Longitudinal engine |
9,262 | 48.2% | Engine type | Cars & Mobility |
Frequently asked questions
How is this Top 18 list compiled?
Rascasse aggregates anonymized search-behavior signals across United States and ranks each engine type by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest engine type in United States?
Electric motor currently leads with an estimated audience of 17,015,258 people in United States.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across United States. Lists below 5 entries are not published. See methodology for full details.