What LLMs cite
Vehicle speed limiter regulations for commercial transport
From recent prompt runs · US · Updated October 26, 2026
GEOGrow tested this high-intent customer question across ChatGPT, Gemini, and Perplexity. Rankings below show which companies appeared most often in those responses — not who is independently the best.
Top brand
Rostra
Leads across all key metrics
AI engines mentioning
3 of 3
Rostra appears in 3 of 3 AI engines
#1 recommendations
1
Rostra was the #1 recommendation once.
AI answer share
100%
Rostra appears in 100% of answers in our tests
Top AI Answers
Which companies appear most often in AI responses?
Updated October 26, 2026
| # | Company | AI engines mentioning | #1 recommendations | AI answer share |
|---|---|---|---|---|
| 1 | Rostra Claim your company | 3 of 3 | 1 | 100% |
| 2 | Federal Motor Carrier Safety Administration (FMCSA) Claim | 1 of 3 | 1 | 33% |
| 3 | Derive Systems Claim | 1 of 3 | 1 | 33% |
| 4 | Regulations.gov Claim | 1 of 3 | 0 | 33% |
| 5 | Autokontrol Claim | 1 of 3 | 0 | 33% |
| 6 | Resolute Dynamics Electronic Fleet Vehicle Speed Limiter Claim | 1 of 3 | 0 | 33% |
| 7 | Samsara Claim | 2 of 3 | 0 | 67% |
| 8 | Federal Register Claim | 1 of 3 | 0 | 33% |
What Each AI Recommended
Recent answer snapshots by engine.
ChatGPT
- 1. Federal Motor Carrier Safety Administration (FMCSA)
- 2. Regulations.gov
- 3. Federal Register
- 4. National Highway Traffic Safety Administration (NHTSA)
- 5. Compliance Navigation Specialists (CNS)
- 6. Labworks USA
+5 more in this answer
Gemini
- 1. Derive Systems
- 2. Autokontrol
- 3. Samsara
- 4. Geotab
- 5. Motive
- 6. Verizon Connect
+5 more in this answer
PerplexityWhat LLMs cite
Sources cited in the most recent prompt runs for this question. The mix varies by engine.
- federalregister.gov Federal Motor Vehicle Safety Standards
- cnsprotects.com Speed-Limiter Rule: What Are Even The Options? | CNS
- fmcsa.dot.gov [Docket No. FMCSA-2022-0004] Parts and Accessories
- labworksusa.com Truck Speed Limiters 101
- truckingalliance.org What We Know About the FMCSA's Speed Limiter Proposal
- barreralawgroup.com Are Speed Limiters Mandatory on Big Trucks?
- regulations.gov Document (FMCSA-2022-0004-0001)
- autokontrol.com Mandatory Speed Limiters UK: Cars, ISA & the Law | AutoKontrol
Who's Winning in AI?
AI Leaderboard · Based on this buyer question
Rostra currently leads this conversation. AI visibility leadership is valuable — but competitive markets shift fast.
Rostra currently leads this conversation.
- #1 Rostra 100%
- #2
- #3 Derive Systems 33%
- #4 Regulations.gov 33%
- #5 Autokontrol 33%
- #6
- #7 Samsara 67%
- #8 Federal Register 33%
Get ahead of the competition
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How We Measure AI Answer Share
AI Answer Tracker by GEOGrow measures how companies appear when high-intent customer questions are asked across supported AI platforms. Results are observational snapshots and can vary by model, location, personalization, source availability, and date.
AI Answer Share is weighted recommendation appearances divided by all possible recommendation opportunities. Rankings shown here represent the responses collected during the stated research period and are not endorsements by GEOGrow. Method: 3 independent AI observations.
- Question tested
- Vehicle speed limiter regulations for commercial transport
- Market
- US
- AI engines
- ChatGPT, Gemini, and Perplexity
- Research date
- October 26, 2026