He worked for the Army, testing liquid-fuel rocketry.    From Wordnik.com.  [Exploring 'Von Braun'] Reference

Goddard launched the first liquid-fuel rocket, in 1926.    From Wordnik.com.  [Goddard, Robert H] Reference

That would increase biofuels 'share of the liquid-fuel mix to roughly 16% from 5%, based on U.S.    From Wordnik.com.  [U.S. Biofuel Boom Running on Empty] Reference

Most forecasts predict that liquid-fuel demand world-wide will hit 100 million barrels a day by 2015.    From Wordnik.com.  [Russian Oil Slump] Reference

At this point the liquid-fuel engines on the booster's center section ignited, hurling the remaining package higher, faster, and farther downrange.    From Wordnik.com.  [Clear and Present Danger]

From the posted material, the Shenlong appears to be an unmanned, liquid-fuel, rocket-powered craft designed to test China's space-plane technologies.    From Wordnik.com.  [. . .And Races Into Space] Reference

This would mean considerable saving in fuel cost to the small power user, who now finds the liquid-fuel internal-combustion engine of commercial advantage.    From Wordnik.com.  [Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171] Reference

Iran said the missile was more sophisticated than earlier models, and propelled by a solid-fuel system, which would make it easier to deploy than liquid-fuel missiles.    From Wordnik.com.  [Iran Tests Missile, Launching Pre-Election Show of Defiance] Reference

The 70-foot Falcon 1 liquid-fuel rocket launched Sunday from a government facility in the Pacific and successfully placed a 364-pound mass into orbit, the company said.    From Wordnik.com.  [Rocket Places Payload Into Earth Orbit] Reference

So add that to the plug-in hybrid option, which would boost liquid-fuel mileage to somewhere in the 150-250 mpg range and you can see there's no insoluable problem here.    From Wordnik.com.  [Hostage Facility] Reference

Powered by a liquid-fuel rocket engine, it accelerated to nine hundred knots and began its descent, its radar-homing head tracking on a preprogrammed target area ten miles wide.    From Wordnik.com.  [Red Storm Rising]

While it was a common primary fuel in early liquid-fuel.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

The liquid-fuel rocket had a nearly empty hull to accelerate.    From Wordnik.com.  [Space Tug] Reference

They are single-stage, liquid-fuel missiles on mobile launchers.    From Wordnik.com.  [SFGate: Top News Stories] Reference

Use a liquid-fuel lantern at the campsite, with a battery-powered lantern for backup.    From Wordnik.com. Reference

India has an ambitious plan to transform its liquid-fuel economy into a gas powered-one.    From Wordnik.com.  [WN.com - Articles related to Sensex ends in red as investors hold their bets] Reference

The single-stage, liquid-fuel missile is said to have a range of 310 miles (500 kilometers).    From Wordnik.com.  [Breaking News: CBS News] Reference

Its liquid-fuel Shahab-3, with a range of 1,300km (810 miles) or more, can already reach Israel.    From Wordnik.com.  [The Economist: Correspondent's diary] Reference

Beal launched a rocket company that built the largest liquid-fuel engine since the Apollo missions.    From Wordnik.com.  [Forbes.com: News] Reference

Late last month, SpaceX successfully launched the first private, liquid-fuel rocket into earth orbit.    From Wordnik.com.  [Futurist.com: Futurist Speaker Glen Hiemstra] Reference

That, they say, is enough to meet as much as 56 percent of the world's current liquid-fuel consumption.    From Wordnik.com.  [Wired Top Stories] Reference

With a liquid-fuel pipeline, any seismic pressure or shift can result in a leakage, which can have disastrous consequences.    From Wordnik.com.  [Engineering News | Home] Reference

XCOR's Lynx, roughly the size of a small airplane, will take off and land on a runway and propel itself with liquid-fuel engines.    From Wordnik.com.  [WSOCTV.com - Local News] Reference

Chandrayaan-1 will approach the Moon on November 8, 2008, when the spacecraft's liquid-fuel propelled engine will be fired again.    From Wordnik.com.  [dailyindia.com News Feed] Reference

Under the highly special conditions of this particular occasion, there was a notable gain in efficiency over a liquid-fuel rocket design.    From Wordnik.com.  [Space Platform] Reference

To be fair, it should be said that the Americans were the first to demonstrate the feasibility of a re-useable liquid-fuel rocket engine.    From Wordnik.com.  [RIA Novosti] Reference

In the fifth and last orbit-raising maneuver, the spacecraft's 440 Newton liquid-fuel propelled engine was fired for about two and a half minutes.    From Wordnik.com.  [dailyindia.com News Feed] Reference

The AJ26 is Aerojet's liquid-fuel rocket engine that Orbital will use to power the first stage of the Taurus II space launch vehicle currently in development.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

That amount is 85 percent of the difference between the price of a new Tesla Roadster and the price of a comparable liquid-fuel automobile, in this case a Lotus.    From Wordnik.com.  [Vail Daily - Top Stories] Reference

March 16, 1926: Robert Goddard launches the first liquid-fuel rocket on his aunt’s farm in Auburn, MA.    From Wordnik.com.  [Fortunately, He Ignored Them] Reference