DOT #3414259
Comparison · DMV

Why Tank Taxi, vs. AmeriGas or Blue Rhino
a hazmat truck and a written quote.

A side-by-side read of the four ways the DMV buys bottled gas, propane, and on-site fleet fueling right now — and what the reply from each one actually looks like.

How Tank Taxi stacks up against national retailers, exchange racks, and card-lock fueling across the DMV — DOT-registered hazmat delivery, transparent written quotes, mobile on-site runs, scheduled after-hours windows, and a six-county DMV dispatch board.

Comparison

How the four DMV models line up,
row by row.

Six buyer-relevant rows — hazmat registration, written pricing, on-site placement, after-hours availability, service-area coverage, and who picks up the email — drafted from how the operations actually differ in the field.

Six-row comparison: Tank Taxi vs. national retailers, exchange racks, and card-lock fueling across the Maryland-Virginia-DC corridor.
CapabilityTank TaxiNational retailersAmeriGas · SuburbanExchange racksBlue Rhino · FerrellgasCard-lock fuelingWEX · Pacific Pride model
Hazmat / DOT certificationUSDOT #3414259, hazmat classes 2.1 · 3 · 9, manifest per run, driver placarded & trained out of the La Plata yard.DOT-registered national carrier, route density across state footprints, franchise-hauled on most residential runs.Not a delivery service — consumer self-carry, cylinders inspected at the rack and carried home in a vehicle.Not typically hazmat gas — diesel and gasoline at the pump, traced through card-lock transaction logs.
Pricing transparencySame-business-day written quote from the dispatcher, line-item basis, no fuel-surcharge add-on, no call-center script.Published rates tiered by gallonage and fees; post-load fuel surcharge billed separately is common on residential tiers.Per-cylinder fixed retail at the rack, no quote — the price printed on the rack is the price billed.Per-gallon pump price plus WEX-network surcharge; transparency is real-time at the dispenser, not a written quote.
Mobile / on-site deliveryDOT-registered hazmat truck with on-site placement and exchange for residential, commercial, and fleet yards.Standard retail-route delivery within a published radius; hazmat cylinders reach the driveway on scheduled routes.Customer carries the cylinder to and from the rack — no delivery, no on-site placement, no truck at the address.Customer drives to the pump — vehicle fueling only; no on-site delivery of gas, propane, or cylinders.
After-hours availabilityScheduled in advance — no surge, no on-call surcharge. After-hours runs are baked into the written quote before the run.Business-hours default; after-hours windows often billed as a premium, scheduled on a separate dispatch tier.24/7 rack access at retail sites, but transport is the customer’s, with no scheduled dispatch — a self-serve model.24/7 unattended card access at the pump; suitable for fleet vehicles but not for hazmat delivery to a yard or address.
Service-area coverageSix DMV counties off one La Plata hub — Charles, Prince George’s, Anne Arundel, Calvert, Fairfax, DC.State and region-wide franchise maps, varied by territory; coverage defined by who holds the local franchise rights.Any retail rack site the customer can drive to — coverage is the rack footprint, not a service area or route board.At the pump; no delivery, no route board. Coverage is the card-lock network, useful only if the truck is already on-site.
Reply window / human contactSame-business-day written reply from the dispatcher — the same operator who sets the run and signs the manifest.Call-center routing, scripted hold queues, and tier-1 triage before a quote is ever written; quoted terms vary by who answers.Self-service — no contact, no quote, no reply window to track. The rack reads as the system, not a person.Portal- or email-only support for WEX issues; the reply window is a help-desk SLA, not a dispatcher’s inbox.

The differentiator

One DOT# writes the quote,
one dispatcher shows up with the truck.

Tank Taxi ships under USDOT #3414259 out of a single hazmat truck and a single yard in La Plata, Maryland, dispatching bottled gas, propane exchange, fleet fueling, and patio heaters across the six-county DMV dispatch board.

National mass-retail propane adds fuel surcharges and call-center routing that hides the delivered price in the fine print; tank-exchange racks make the customer carry the cylinder home in a sedan; card-lock fueling solves the per-vehicle case but won’t deliver a forklift, a patio heater, or a fleet yard. Tank Taxi publishes a written same-business-day quote from the operator’s inbox, schedules after-hours windows without billing them as a premium, and shows up with the same DOT# on every run.

For DMV buyers who want the reply to come from a real address and the truck to pull up on the day that was quoted — the next move is the form below.

Next comparison

Send an address.

Whether it’s a Charles County residential cylinder, a Prince George’s fleet yard, or a Fairfax patio heater — the dispatcher writes back a written quote the same business day. The reply comes from a real address, not a queue.

Email dispatch

tank-taxi@polsia.app

USDOT

3414259

Based in

La Plata, MD

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