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February 23, 2018
NAFTA Motor Vehicle Talks Reopen Old Trade Debate
Automotive trade is among the most sensitive issues in 
targeting imports from Japan, the bill passed the House 
negotiations with Mexico and Canada over revisions to the 
twice, but was not voted on in the Senate amid concerns 
North American Free Trade Agreement (NAFTA). The 
that it violated international agreements and faced a pledge 
United States has proposed major changes in the rules of 
by President Reagan to veto it. 
origin that determine which vehicles and parts qualify for 
tariff-free treatment when traded among the three countries.    Congress revisited the domestic content of vehicles again in 
1992, when the American Automobile Labeling Act 
The proposal has reopened a decades-old debate about 
(AALA; P.L. 102-388) required a label on all new vehicles 
regulating the content of vehicles sold in the United States. 
showing domestic and foreign content of parts and the final 
If some variant of the proposed changes is accepted by 
assembly location. Parts content does not include final 
Canada and Mexico and then ratified by all three countries, 
assembly, distribution, or other non-parts costs.   
it would make the fifth time since 1965 that Congress has 
sought to encourage greater use of domestic content in cars 
AALA specifies that only U.S. and Canadian content is 
and light trucks. 
domestic; Mexican content does not qualify. If imported 
parts count for no more than 30% of the value of a vehicle 
History 
component made in the United States or Canada, 100% of 
Motor vehicle content rules were originally a response to 
the value of the component is counted as domestic. For 
rising imports of passenger vehicles, primarily from Japan. 
engines and transmissions, however, a broader category of 
Such rules were included in the Automotive Products Trade 
assembly and labor costs is also included in the domestic 
Agreement of 1965, better known as the U.S.-Canada Auto 
content calculation. The country that contributes the most 
Pact, which was designed to integrate U.S. and Canadian 
value to the engine or transmission is considered the 
vehicle manufacturing. Vehicles covered had to have 50% 
country of origin, even if some parts are imported.  
U.S. or Canadian content for free entry into the United 
States, and separate provisions required Canadian content 
Table 1.Top 10 Domestic Content Vehicles in 2007  
for vehicles sold and parts used in Canada.  (The Auto Pact 
was terminated in 2001 after the World Trade Organization 
U.S./Canada 
found that some provisions violated its trade rules.) 
Automaker 
Vehicle 
Content 
Ford 
Lincoln MKX 
95% 
In 1975, the Energy Policy and Conservation Act (EPCA; 
P.L. 94-163) established the corporate average fuel 
Ford  
Expedition 
95% 
economy standards for light vehicles sold in the United 
Ford 
Edge 
95% 
States. To prevent U.S. automakers from importing fuel-
efficient vehicles to meet fleet-wide efficiency standards, 
General Motors 
Pontiac Grand Prix 
90% 
the law set one standard for domestic vehicles and a stricter 
General Motors 
GMC Sierra 
90% 
standard for imports. For a vehicle to be considered 
domestic, at least 75% of its content had to be 
General Motors 
Chevrolet Silverado 
90% 
manufactured in the United States or Canada. (After 
Pickup Truck 
NAFTA went into effect in 1996, EPCA was amended to 
count Mexican content as “domestic.”)  EPCA states that 
General Motors 
Chevrolet Monte 
90% 
the value added from parts manufacturing and final 
Carlo 
assembly is the basis of determining whether a vehicle 
General Motors 
Chevrolet Impala 
90% 
meets the 75% domestic value standard. For components 
assembled outside the NAFTA region, only the value of 
General Motors 
Buick LaCrosse 
90% 
parts produced in a NAFTA country counts as domestic 
Ford 
Mercury Mariner 
90% 
content. Unlike with other content provisions in later laws, 
transportation and insurance costs within the NAFTA area 
Source: American Automobile Labeling Act, 2007 Report, by 
are included as domestic costs.  
percentage, https://www.nhtsa.gov/part-583-american-automobile-
labeling-act-reports. 
A third attempt at mandating vehicle content came during 
the Reagan Administration, at a time when recession 
The overall domestic content of many vehicles sold in the 
reduced U.S. vehicle sales and Japanese automakers were 
United States, as measured under AALA, has declined over 
increasing their U.S. market share. The proposed 1982 Fair 
the past decade as the vehicle supply chain has globalized. 
Practices in Automotive Products Act would have 
AALA reports show that many motor vehicle parts 
eventually required vehicles sold in the United States to 
manufactured in 2007 contained well over 75% domestic 
have 90% U.S. content (including parts and labor). Seen as 
conte
nt. Table 1 shows the 10 models with the greatest 
domestic content in 2007. In contrast, only a few vehicles 
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NAFTA Motor Vehicle Talks Reopen Old Trade Debate 
had as much as 75% domestic content in 2017 
(Table 2). 
Over the same period, three factors have reshaped the 
Despite the requirement that dealers post AALA 
vehicle supply chain. First, vehicle assemblers have sourced 
information for new cars, surveys have shown that few car 
more parts from specialized parts makers. An estimated 
buyers use the data in making purchase decisions. 
70% of the value added in a finished motor vehicle now 
originates with the parts makers, compared with about 40% 
Table 2.Vehicles with At Least 75% Domestic Content 
25 years ago. (Value added is the amount by which the 
in 2017 AALA Report 
value of a product is increased at each stage of its 
production, minus initial costs.) Second, the parts industry 
U.S./Canada 
itself has seen a major consolidation in the past decade and 
Automaker 
Vehicle  
Content 
is now global in its own right, as parts makers have 
Kia Motors 
Optima 1.6L 
83% 
followed their vehicle assembler customers to new markets. 
The auto parts industry now sources components from Asia, 
Kia Motors 
Optima 2.4L 
83% 
Europe, and Latin America. Third, parts suppliers have 
Fiat Chrysler 
Wrangler 4 Door 
75% 
increasingly turned to new production methods in which 
they deliver complex modules to auto assemblers that 
Honda 
Acura 
75% 
include parts from many suppliers—and potentially many 
countries. With as many as 15,000 parts in typical 
Honda 
CR-V All Wheel Drive 
75% 
passenger motor vehicles, tracing the origin of parts 
Honda  
Ridgeline Pickup Truck 
75% 
becomes much more complex than it was at the time current 
laws governing domestic content were enacted.  
Kia Motors 
Optima 2.0 
75% 
Toyota 
Camry 
75% 
Current Issues 
An increase in the required RVC alone would not assure 
Source: American Automobile Labeling Act, 2017 Report, by 
that more parts and vehicles would be manufactured in the 
percentage. 
United States. The Trump Administration has called for an 
NAFTA 
additional change in NAFTA, requiring that vehicles 
imported from Canada or Mexico have 50% U.S. content in 
NAFTA has no provisions concerning U.S. content. It 
order to benefit from tariff-free access to the U.S. market. 
provides that vehicles and parts produced in Canada, 
Canada and Mexico have reportedly opposed this change. A 
Mexico, and the United States may move tariff-free in that 
50% U.S. content provision might not lead manufacturers to 
zone as long as at least 62.5% of the value of the assembled 
assemble cars in the United States rather than in Mexico; it 
motor vehicle is produced in the region. Parts and 
could instead encourage auto producers in Mexico to import 
components sold separately must have 60% regional 
cheaper parts from Asia or Europe and pay the 2.5% U.S. 
content to qualify for tariff-free status.  
tariff on cars shipped to the United States. (This is less 
likely with light trucks, on which the U.S. tariff is 25%.)  
The calculation of regional value content (RVC) under 
NAFTA is far more complex than the domestic content 
Revising or eliminating the NAFTA tracing list is also an 
determinations under EPCA and AALA. Vehicle and parts 
issue. Calculating each of the separate costs required to 
producers are required to use a “net cost” method that 
determine RVC may be costly, especially for small parts 
includes calculating six separate costs for each vehicle:  
manufacturers. One option would be to eliminate tracing; it 
materials, processing, labor, production equipment, 
was not included in the proposed Trans-Pacific Partnership 
overhead, and general expenses. In addition, the net cost 
(TPP) trade agreement, which instead would have required 
method requires that intermediate and indirect materials be 
automotive products to undergo “substantial 
traced back to their raw material origins. Tracing was 
transformation” in North America to qualify as domestic. 
included in NAFTA to eliminate imported material in a part 
The United States withdrew from that agreement in 2017. 
or vehicle net cost calculation. For example, engine 
components purchased in Asia and assembled into a 
Other options would lead to an expanded use of tracing. 
finished engine in Mexico must be traced so that the Asian 
Under current NAFTA rules, not all materials are included 
parts are not counted as NAFTA content. This cumbersome 
on the tracing list. Some steel, aluminum, electronics, and 
process is governed by a list of products that must be traced 
electric batteries are excluded from tracing, which means 
by automakers back through each stage of production, until 
that even if they are produced in a NAFTA country, their 
there is a raw material not on the list. Not all products used 
value does not count towards the 62.5% threshold for tariff-
in producing vehicles are included on the tracing list, 
free trade. Another proposal is to include research, 
however.  
development, and software costs in determining RVC. 
Evolving Motor Vehicle Supply Chain 
Little software was installed in vehicles at the time NAFTA 
was signed, but software is now a significant cost factor in 
Since NAFTA took effect more than two decades ago, the 
vehicle assembly and will likely become more so as 
motor vehicle industry has changed significantly. More 
manufacturers develop increasingly automated vehicles. 
vehicles are being produced in North America by 
automakers from Japan, South Korea, and Germany as the 
market share of the Detroit Three—General Motors, Ford 
Bill Canis, Specialist in Industrial Organization and 
and Chrysler (now Fiat Chrysler)—has declined.  
Business   
IF10835
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NAFTA Motor Vehicle Talks Reopen Old Trade Debate 
 
 
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